Fix compilation on 5.4

opencv.cpp

@@ -41,12 +41,14 @@ PHP_OPENCV_API void php_opencv_basedir_check(const char *filename TSRMLS_DC) {
 	char *error_message;
 	int status;
 
+#if PHP_VERSION_ID < 50400
 	if (PG(safe_mode) && (!php_checkuid_ex(filename, NULL, CHECKUID_CHECK_FILE_AND_DIR, CHECKUID_NO_ERRORS))) {
         error_message = estrdup("Could not access file due to safe_mode restrictions");
         zend_throw_exception(opencv_ce_cvexception, (char *) error_message, status TSRMLS_CC);
         efree(error_message);
         return;
 	}
+#endif
 
 	if (PG(open_basedir) && php_check_open_basedir_ex(filename, 0 TSRMLS_CC)) {
         error_message = estrdup("Could not access file due to open_basedir restrictions");