apply: free patch->result

This is by far the largest piece of data, much larger than the patch and
fragment structures or the three name fields in the patch structure.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/apply.c

@@ -210,6 +210,7 @@ static void free_patch(struct patch *patch)
 	free(patch->def_name);
 	free(patch->old_name);
 	free(patch->new_name);
+	free(patch->result);
 	free(patch);
 }