workaround for tga problem

components/bsa/bsa_archive.cpp

@@ -71,6 +71,9 @@ class DirArchive: public Ogre::FileSystemArchive
 
     bool findFile(const String& filename, std::string& copy) const
     {
+        if (filename.find(".tga") != std::string::npos)
+            return false;
+
         {
             String passed = filename;
 	        if(filename.at(filename.length() - 1) == '*' || filename.at(filename.length() - 1) == '?' ||  filename.at(filename.length() - 1) == '<'