Core/Dependencies: Fix some warnings in G3D

dep/g3dlite/source/FileSystem.cpp

@@ -137,6 +137,9 @@ void FileSystem::Dir::computeZipListing(const std::string& zipfile, const std::s
     
     zip_close(z);
     z = NULL;
+#else
+    (void)zipfile;
+    (void)_pathInsideZipfile;
 #endif
 }