Improved code based on CppCheck results

None of this should change the engine's behavior, but the code is better
this way.


Former-commit-id: 0127769848fc1f7fc8006ee607985cfc0ead2965

src/Nazara/Graphics/SkinningManager.cpp

@@ -89,7 +89,6 @@ namespace
 							pair.second.second.updated = false;
 
 						break;
-						break;
 					}
 				}