Description:
------------
you need to check that what file_get_contents returns is a string before attempting a match on it or jscript will bail - patch attached

Reproduce code:
---------------
Index: config.w32
===================================================================
RCS file: /repository/pecl/yaz/config.w32,v
retrieving revision 1.3
diff -u -r1.3 config.w32
--- config.w32	21 Apr 2004 12:38:28 -0000	1.3
+++ config.w32	9 May 2007 13:24:51 -0000
@@ -15,7 +15,7 @@
 	}
 
 	c = file_get_contents(yaz_h + "\\yaz\\yaz-version.h");
-	if (c.match(/YAZ_VERSIONL\s+(0x[a-zA-Z0-9]+)/)) {
+	if (typeof(c) == "string" && c.match(/YAZ_VERSIONL\s+(0x[a-zA-Z0-9]+)/)) {
 		v = RegExp.$1;
 		if (parseInt(v) >= 0x2000D) {
 			return true;