* fix mu_util_dir_expand for non-existant dirs, add unit test

src/mu-util.c

@@ -93,7 +93,11 @@ mu_util_dir_expand (const char *path)
 	dir = do_wordexp (path);
 	if (!dir)
 		return NULL; /* error */
-	
+
+	/* don't try realpath if the dir does not exist */
+	if (access (dir, F_OK) != 0)
+		return dir;
+
 	/* now resolve any symlinks, .. etc. */
 	if (realpath (dir, resolved) == NULL) {
 		g_debug ("%s: could not get realpath for '%s': %s",