Convert/update pngcrush to working recipe

media-gfx/pngcrush/pngcrush-1.7.67.recipe

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+SUMMARY="Pngcrush is an optimizer for PNG (Portable Network Graphics) files."
+DESCRIPTION="
+Pngcrush is an optimizer for PNG (Portable Network Graphics) files.
+It can be run from a commandline in an MSDOS window, or from a UNIX
+or LINUX commandline.  Its main purpose is to reduce the size of the
+PNG IDAT datastream by trying various compression levels and PNG
+filter methods. It also can be used to remove unwanted ancillary
+chunks, or to add certain chunks including gAMA, tRNS, iCCP, and
+textual chunks."
+
+HOMEPAGE="http://pmt.sourceforge.net/pngcrush/" 
+SRC_URI="http://sourceforge.net/projects/pmt/files/pngcrush/1.7.67/pngcrush-1.7.67-nolib.tar.xz"
+CHECKSUM_MD5="682318b86be2e01056b8dba7b90dee01"
+REVISION="1"
+LICENSE="LibPNG"
+COPYRIGHT="1998-2009 Glenn Randers-Pehrson
+	2005 Greg Roelofs"
+ARCHITECTURES="x86 x86_gcc2"
+
+SOURCE_DIR="${portVersionedName}-nolib"
+
+PROVIDES="
+	pngcrush = $portVersion compat >= 1.7
+	cmd:pngcrush = $portVersion compat >= 1.7
+	"
+
+REQUIRES="
+	haiku >= $haikuVersion
+	lib:libpng
+	lib:libz
+	"
+
+BUILD_REQUIRES="
+	devel:libpng
+	devel:libz
+	"
+
+BUILD_PREREQUIRES="
+	haiku_devel >= $haikuVersion
+	cmd:make
+	cmd:gcc
+	"
+
+PATCHES="pngcrush-1.7.67.patch"
+
+BUILD()
+{
+	make LIBS="-L$libDir -lpng -lz"
+}
+
+INSTALL()
+{
+	mkdir -p $binDir
+	cp -af pngcrush $binDir
+}
+