According to glib manual, GError should be set to NULL or should point to allocated memory for GError

--- gnome-mount-0.8/src/gnome-mount.c.1	2019-04-21 10:20:26.549714106 +0000
+++ gnome-mount-0.8/src/gnome-mount.c	2019-04-21 10:21:23.421882199 +0000
@@ -997,7 +997,7 @@
 static char *
 resolve_symlink (const char *file)
 {
-	GError *error;
+	GError *error = NULL;
 	char *dir;
 	char *link;
 	char *f;