Fix #50

Author: Salvo Cristaldi

scripts/002-libpng-1.4.4.sh

@@ -19,6 +19,7 @@ mkdir build-ppu && cd build-ppu
 
 ## Configure the build.
 CFLAGS="-I$PSL1GHT/ppu/include -I$PS3DEV/portlibs/ppu/include" \
+CPPFLAGS="-I$PSL1GHT/ppu/include -I$PS3DEV/portlibs/ppu/include" \
 LDFLAGS="-L$PSL1GHT/ppu/lib -L$PS3DEV/portlibs/ppu/lib -lrt -llv2" \
 PKG_CONFIG_PATH="$PS3DEV/portlibs/ppu/lib/pkgconfig" \
 ../configure --prefix="$PS3DEV/portlibs/ppu" --host="powerpc64-ps3-elf" --enable-static --disable-shared