Remove Clang warnings

modules/touch/include/touchinteraction.h

@@ -62,7 +62,7 @@ public:
     // Stores the selected node, the cursor ID as well as the surface coordinates the
     // cursor touched
     struct SelectedBody {
-        int id;
+        long id;
         SceneGraphNode* node;
         glm::dvec3 coordinates;
     };

modules/touch/include/tuioear.h

@@ -107,7 +107,7 @@ class TuioEar : public TUIO::TuioListener {
         /**
         * A list that tracks all of the cursor ID's that got removed since last frame
         */
-        std::vector<int> _removeList;
+        std::vector<long> _removeList;
 };
 
 #endif // __OPENSPACE_MODULE_TOUCH___TUIO_EAR___H__