1diff a/third_party/libpng16/pngmem.c b/third_party/libpng16/pngmem.c 2--- a/third_party/libpng16/pngmem.c 3+++ b/third_party/libpng16/pngmem.c 4@@ -19,6 +19,9 @@ 5 6 #include "pngpriv.h" 7 8+void* FXMEM_DefaultAlloc(size_t byte_size); 9+void FXMEM_DefaultFree(void* pointer); 10+ 11 #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) 12 /* Free a png_struct */ 13 void /* PRIVATE */ 14@@ -92,7 +95,7 @@ 15 16 else 17 #endif 18- return malloc((size_t)size); /* checked for truncation above */ 19+ return FXMEM_DefaultAlloc(size); 20 } 21 22 else 23@@ -249,7 +252,7 @@ 24 return; 25 #endif /* USER_MEM */ 26 27- free(ptr); 28+ FXMEM_DefaultFree(ptr); 29 } 30 31 #ifdef PNG_USER_MEM_SUPPORTED 32