tests: free the test suite name

Signed-off-by: Carlos Martín Nieto <cmn@elego.de>

tests/test_lib.c

@@ -130,6 +130,7 @@ static void free_suite(git_testsuite *ts)
 		if (ts->list[n])
 			test_free(ts->list[n]);
 
+	free(ts->name);
 	free(ts);
 }