Free realnames if kmod_lookup_alias_from_alias_bin() fails
diff --git a/libkmod/libkmod.c b/libkmod/libkmod.c
index fe68134..babd73f 100644
--- a/libkmod/libkmod.c
+++ b/libkmod/libkmod.c
@@ -459,6 +459,7 @@
 
 fail:
 	*list = kmod_list_remove_n_latest(*list, nmatch);
+	index_values_free(realnames);
 	return err;
 
 }