uri-tester: fixed a G_CRITICAL when regexp was NULL

Do not unconditionally unref the regexp in case of error because it could be
NULL.

1 files changed, 1 insertions, 1 deletions

diff --git a/embed/uri-tester.c b/embed/uri-tester.c
index 7af0c56f4..1d1283fce 100644
--- a/embed/uri-tester.c
+++ b/embed/uri-tester.c
@@ -482,7 +482,7 @@ uri_tester_compile_regexp (UriTester *tester,
     {
       g_warning ("%s: %s", G_STRFUNC, error->message);
       g_error_free (error);
-      g_regex_unref (regex);
+      g_clear_pointer (&regex, g_regex_unref);
       return TRUE;
     }