bugfix: fix possible memory leak in fs_home.c

Author: peter15914

src/firejail/fs_home.c

@@ -194,6 +194,7 @@ static int store_asoundrc(void) {
 	if (stat(src, &s) == 0) {
 		if (s.st_uid != getuid()) {
 			fwarning(".asoundrc is not owned by the current user, skipping...\n");
+			free(src);
 			return 0;
 		}