Description:
------------
In ZTS builds, when log_errors is on and there are startup errors, PHP segfaults.

Test script:
---------------
Load an inexistent extension in php.ini.

Actual result:
--------------
0:000:x86> kP
ChildEBP RetAddr  
00a1e310 0f880c3f php5ts_debug!guess_timezone(
			struct _timelib_tzdb * tzdb = 0x0face790, 
			void *** tsrm_ls = 0x010832a0)+0x2d [c:\users\cataphract_\documents\php-src\ext\date\php_date.c @ 841]
00a1e408 0f8810d5 php5ts_debug!get_timezone_info(
			void *** tsrm_ls = 0x010832a0)+0x4f [c:\users\cataphract_\documents\php-src\ext\date\php_date.c @ 868]
00a1e504 0f829d2c php5ts_debug!php_format_date(
			char * format = 0x0fa759c4 "d-M-Y H:i:s", 
			int format_len = 0n11, 
			long ts = 0n1322156443, 
			int localtime = 0n1, 
			void *** tsrm_ls = 0x010832a0)+0x35 [c:\users\cataphract_\documents\php-src\ext\date\php_date.c @ 1118]
00a1e628 0f82f728 php5ts_debug!php_log_err(
			char * log_message = 0x011e25a0 "PHP Warning:  PHP Startup: Unable to load dynamic library 'C:\Users\Cataphract_\Documents\php-src\Debug_TS\php_interbase.dll' - The specified module could not be found... in Unknown on line 0", 
			void *** tsrm_ls = 0x010832a0)+0x11c [c:\users\cataphract_\documents\php-src\main\main.c @ 578]
00a1e7d4 0f694c4d php5ts_debug!php_error_cb(
			int type = 0n32, 
			char * error_filename = 0x0fa61a90 "Unknown", 
			unsigned int error_lineno = 0, 
			char * format = 0x0fa61a30 "%s", 
			char * args = 0x00a1eaa8 "???")+0x5c8 [c:\users\cataphract_\documents\php-src\main\main.c @ 1005]
00a1ea98 0f82a9a5 php5ts_debug!zend_error(
			int type = 0n32, 
			char * format = 0x0fa61a30 "%s")+0x24d [c:\users\cataphract_\documents\php-src\zend\zend.c @ 1082]
00a1ec9c 0f82adf2 php5ts_debug!php_verror(
			char * docref = 0x00000000 "", 
			char * params = 0x0fa618f8 "", 
			int type = 0n32, 
			char * format = 0x0fb0e104 "Unable to load dynamic library '%s' - %s", 
			char * args = 0x00a1edac "???", 
			void *** tsrm_ls = 0x010832a0)+0x8c5 [c:\users\cataphract_\documents\php-src\main\main.c @ 801]
00a1ed94 0f9be474 php5ts_debug!php_error_docref0(
			char * docref = 0x00000000 "", 
			void *** tsrm_ls = 0x010832a0, 
			int type = 0n32, 
			char * format = 0x0fb0e104 "Unable to load dynamic library '%s' - %s")+0x42 [c:\users\cataphract_\documents\php-src\main\main.c @ 813]
00a1eef8 0f83dc11 php5ts_debug!php_load_extension(
			char * filename = 0x011e20f8 "php_interbase.dll", 
			int type = 0n1, 
			int start_now = 0n0, 
			void *** tsrm_ls = 0x010832a0)+0x1d4 [c:\users\cataphract_\documents\php-src\ext\standard\dl.c @ 149]
00a1efdc 0f7fdef6 php5ts_debug!php_load_php_extension_cb(
			void * arg = 0x00f9c218, 
			void *** tsrm_ls = 0x010832a0)+0x31 [c:\users\cataphract_\documents\php-src\main\php_ini.c @ 351]
00a1f0c4 0f83db87 php5ts_debug!zend_llist_apply(
			struct _zend_llist * l = 0x0fb6a818, 
			<function> * func = 0x0f83dbe0, 
			void *** tsrm_ls = 0x010832a0)+0x46 [c:\users\cataphract_\documents\php-src\zend\zend_llist.c @ 193]
00a1f1a4 0f82e3b3 php5ts_debug!php_ini_register_extensions(
			void *** tsrm_ls = 0x010832a0)+0x47 [c:\users\cataphract_\documents\php-src\main\php_ini.c @ 747]
00a1f5f0 0130223e php5ts_debug!php_module_startup(
			struct _sapi_module_struct * sf = 0x0131f008, 
			struct _zend_module_entry * additional_modules = 0x00000000, 
			unsigned int num_additional_modules = 0)+0xc33 [c:\users\cataphract_\documents\php-src\main\main.c @ 2131]
00a1f6d0 01302938 php!php_cli_startup(
			struct _sapi_module_struct * sapi_module = 0x0131f008)+0x2e [c:\users\cataphract_\documents\php-src\sapi\cli\php_cli.c @ 414]
00a1f8b8 0131718f php!main(
			int argc = 0n3, 
			char ** argv = 0x01083140)+0x6b8 [c:\users\cataphract_\documents\php-src\sapi\cli\php_cli.c @ 1336]
00a1f908 01316fbf php!__tmainCRTStartup(void)+0x1bf [f:\dd\vctools\crt_bld\self_x86\crt\src\crtexe.c @ 555]
00a1f910 76d23677 php!mainCRTStartup(void)+0xf [f:\dd\vctools\crt_bld\self_x86\crt\src\crtexe.c @ 371]
WARNING: Stack unwind information not available. Following frames may be wrong.
00a1f91c 77b19f02 kernel32!BaseThreadInitThunk+0x12
00a1f95c 77b19ed5 ntdll32!RtlInitializeExceptionChain+0x63
00a1f974 00000000 ntdll32!RtlInitializeExceptionChain+0x36