add missing header

For PRIu32 and maybe more, that fixes build

Author: weltling

ext/date/config.w32

@@ -10,6 +10,7 @@ ADD_FLAG('CFLAGS_DATE', "/wd4244");
 var tl_config = FSO.CreateTextFile("ext/date/lib/timelib_config.h", true);
 tl_config.WriteLine("#include \"config.w32.h\"");
 tl_config.WriteLine("#include <php_stdint.h>");
+tl_config.WriteLine("#include \"win32/php_inttypes.h\"");
 tl_config.WriteLine("#define TIMELIB_OMIT_STDINT 1");
 tl_config.Close();