Merge pull request #3227 from jeffhostetler/memory_leak__tests_network_refspecs

Fix memory leak in tests/network/refspecs.c

tests/network/refspecs.c

@@ -155,4 +155,6 @@ void test_network_refspecs__matching(void)
 	cl_assert_equal_s(":", spec.string);
 	cl_assert_equal_s("", spec.src);
 	cl_assert_equal_s("", spec.dst);
+
+	git_refspec__free(&spec);
 }