Added better debug output for missing textures.

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@5238 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/graphics/irr_driver.cpp

@@ -688,6 +688,7 @@ video::ITexture *IrrDriver::getTexture(const std::string &filename)
 #ifndef NDEBUG
     if (out == NULL)
     {
+        printf("Texture '%s' not found.\n", filename.c_str());
         printf("Put a breakpoint at line %s:%i to debug!\n", __FILE__, __LINE__ );
     }
 #endif