--- frogatto-1.1.1/src/IMG_savepng.cpp~ 2012-02-13 16:49:07.482666538 +0100 +++ frogatto-1.1.1/src/IMG_savepng.cpp 2012-02-13 16:49:38.492863917 +0100 @@ -27,6 +27,7 @@ #ifdef IMPLEMENT_SAVE_PNG #include +#include #endif #include