Remove osrm namespace indication where possible, wrap out shared_memory_ownership

include/storage/shared_memory.hpp

@@ -25,17 +25,13 @@
 #include <exception>
 #include <thread>
 
+#include "storage/shared_memory_ownership.hpp"
+
 namespace osrm
 {
 namespace storage
 {
 
-enum class Ownership
-{
-    Container,
-    View
-};
-
 struct OSRMLockFile
 {
     boost::filesystem::path operator()()

include/storage/shared_memory_ownership.hpp

@@ -0,0 +1,17 @@
+#ifndef SHARED_MEMORY_OWNERSHIP_HPP
+#define SHARED_MEMORY_OWNERSHIP_HPP
+
+namespace osrm
+{
+namespace storage
+{
+
+enum class Ownership
+{
+    Container,
+    View
+};
+}
+}
+
+#endif // SHARED_MEMORY_OWNERSHIP_HPP