diff -up BlockOutII-2.3/contrib/ImageLib/src/Makefile~ BlockOutII-2.3/contrib/ImageLib/src/Makefile

--- BlockOutII-2.3/ImageLib/src/Makefile~	2007-11-25 22:38:29.000000000 +0100

+++ BlockOutII-2.3/ImageLib/src/Makefile	2007-11-25 22:38:29.000000000 +0100

@@ -9,25 +9,11 @@

 # All source files needed for the library

 #

-SRC = 	gif/gif.cpp CImage.cpp png/zlib/adler32.c png/zlib/compress.c \

-	png/zlib/crc32.c png/zlib/deflate.c png/zlib/gzio.c png/zlib/infback.c \

-	png/zlib/inffast.c png/zlib/inflate.c png/zlib/inftrees.c png/zlib/trees.c \

-	png/zlib/uncompr.c png/zlib/zutil.c png/png/png.c png/png/pngerror.c \

-	png/png/pnggccrd.c png/png/pngget.c png/png/pngmem.c png/png/pngpread.c \

-	png/png/pngread.c png/png/pngrio.c png/png/pngrtran.c png/png/pngrutil.c \

-	png/png/pngset.c png/png/pngtrans.c png/png/pngvcrd.c png/png/pngwio.c \

-	png/png/pngwrite.c png/png/pngwtran.c png/png/pngwutil.c png/hpng.c \

+SRC = 	gif/gif.cpp CImage.cpp png/hpng.c \

 	jpg/H2v2.cpp jpg/idct.cpp jpg/jpegdecoder.cpp jpg/jpegdecodermain.cpp

-OBJ=    gif/gif.o CImage.o png/zlib/adler32.o png/zlib/compress.o \

-	png/zlib/crc32.o png/zlib/deflate.o png/zlib/gzio.o png/zlib/infback.o \

-	png/zlib/inffast.o png/zlib/inflate.o png/zlib/inftrees.o png/zlib/trees.o \

-	png/zlib/uncompr.o png/zlib/zutil.o png/png/png.o png/png/pngerror.o \

-	png/png/pnggccrd.o png/png/pngget.o png/png/pngmem.o png/png/pngpread.o \

-	png/png/pngread.o png/png/pngrio.o png/png/pngrtran.o png/png/pngrutil.o \

-	png/png/pngset.o png/png/pngtrans.o png/png/pngvcrd.o png/png/pngwio.o \

-	png/png/pngwrite.o png/png/pngwtran.o png/png/pngwutil.o png/hpng.o \

+OBJ=    gif/gif.o CImage.o png/hpng.o \

 	jpg/H2v2.o jpg/idct.o jpg/jpegdecoder.o jpg/jpegdecodermain.o

 #---------------------------------------------------------------------

diff -up BlockOutII-2.3/contrib/ImageLib/src/png/hpng.c~ BlockOutII-2.3/contrib/ImageLib/src/png/hpng.c

--- BlockOutII-2.3/ImageLib/src/png/hpng.c~	2007-11-25 22:39:13.000000000 +0100

+++ BlockOutII-2.3/ImageLib/src/png/hpng.c	2007-11-25 22:39:13.000000000 +0100

@@ -1,6 +1,6 @@

 #include <malloc.h>

 #include <math.h>

-#include "png/png.h"

+#include <png.h>

 #include "hpng.h"

 char PngErrorMessage[1024];