Description:
------------
I get the following errors (along with related errors) when compiling php 7.1.16 -- the intl extension. Looks like icu 61.1 may have changed something such that the include no longer works.

In file included from /home/lilmike/.cache/pacaur/php71-noconflict/src/php-7.1.16/ext/intl/intl_convertcpp.cpp:21:0:
/home/lilmike/.cache/pacaur/php71-noconflict/src/php-7.1.16/ext/intl/intl_convertcpp.h:29:25: error: UnicodeString was not declared in this scope
int intl_stringFromChar(UnicodeString &ret, char *str, size_t str_len, UErrorCode *status);
^~~~~~~~~~~~~
/home/lilmike/.cache/pacaur/php71-noconflict/src/php-7.1.16/ext/intl/intl_convertcpp.h:29:25: note: suggested alternative:
In file included from /home/lilmike/.cache/pacaur/php71-noconflict/src/php-7.1.16/ext/intl/intl_convertcpp.h:26:0,
from /home/lilmike/.cache/pacaur/php71-noconflict/src/php-7.1.16/ext/intl/intl_convertcpp.cpp:21:
/usr/include/unicode/unistr.h:286:20: note:   icu_61::UnicodeString
class U_COMMON_API UnicodeString : public Replaceable


-Michael.