Add strict test for whitespace at end of line

More work on coding style

include/openspace/engine/syncengine.h

@@ -51,7 +51,7 @@ public:
     SyncEngine(unsigned int syncBufferSize);
 
     /**
-     * Encodes all added Syncables in the injected <code>SyncBuffer</code>. 
+     * Encodes all added Syncables in the injected <code>SyncBuffer</code>.
      * This method is only called on the SGCT master node
      */
     void encodeSyncables();
@@ -95,7 +95,7 @@ public:
     void removeSyncables(const std::vector<Syncable*>& syncables);
 
 private:
-    /** 
+    /**
      * Vector of Syncables. The vectors ensures consistent encode/decode order
      */
     std::vector<Syncable*> _syncables;