Adding php_sprintf.c to Win32 build

win32/build/config.w32

@@ -189,7 +189,7 @@ ADD_SOURCES("Zend", "zend_language_parser.c zend_language_scanner.c \
 ADD_SOURCES("main", "main.c snprintf.c spprintf.c safe_mode.c fopen_wrappers.c \
 	php_scandir.c php_ini.c SAPI.c rfc1867.c php_content_types.c strlcpy.c \
 	strlcat.c mergesort.c reentrancy.c php_variables.c php_ticks.c network.c \
-	php_open_temporary_file.c php_logos.c output.c internal_functions.c");
+	php_open_temporary_file.c php_logos.c output.c internal_functions.c php_sprintf.c");
 
 ADD_SOURCES("main/streams", "streams.c cast.c memory.c filter.c plain_wrapper.c \
 	userspace.c transports.c xp_socket.c mmap.c");