Add back app/src/mutex.h that just redirects to app/src/include/firebase/internal/mutex.h

Author: dconeybe

app/CMakeLists.txt

@@ -248,6 +248,7 @@ set(utility_common_HDRS
     src/log.h
     src/heartbeat_date_storage_desktop.h
     src/heartbeat_info_desktop.h
+    src/mutex.h
     src/optional.h
     src/path.h
     src/pthread_condvar.h

app/src/mutex.h

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2016 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef FIREBASE_APP_SRC_MUTEX_H_
+#define FIREBASE_APP_SRC_MUTEX_H_
+
+#include "app/src/include/firebase/internal/mutex.h"
+
+#endif  // FIREBASE_APP_SRC_MUTEX_H_