Contribs: update dirac and libpng

extras/contrib/src/packages.mak

@@ -133,7 +133,7 @@ VCDIMAGER_VERSION=0.7.23
 VCDIMAGER_URL=$(GNU)/vcdimager/vcdimager-$(VCDIMAGER_VERSION).tar.gz
 CDIO_VERSION=0.79
 CDIO_URL=$(GNU)/libcdio/libcdio-$(CDIO_VERSION).tar.gz
-PNG_VERSION=1.2.23
+PNG_VERSION=1.2.25
 PNG_URL=$(SF)/libpng/libpng-$(PNG_VERSION).tar.bz2
 GPGERROR_VERSION=1.6
 GPGERROR_URL=$(VIDEOLAN)/testing/contrib/libgpg-error-$(GPGERROR_VERSION).tar.bz2
@@ -184,7 +184,7 @@ ZLIB_VERSION=1.2.3
 ZLIB_URL=$(SF)/libpng/zlib-$(ZLIB_VERSION).tar.gz
 XML_VERSION=2.6.31
 XML_URL=ftp://xmlsoft.org/libxml2/libxml2-$(XML_VERSION).tar.gz
-DIRAC_VERSION=0.9.0
+DIRAC_VERSION=0.9.1
 DIRAC_URL=$(SF)/dirac/dirac-$(DIRAC_VERSION).tar.gz
 DX_HEADERS_URL=$(VIDEOLAN)/testing/contrib/win32-dx7headers.tgz
 DSHOW_HEADERS_URL=$(VIDEOLAN)/contrib/dshow-headers.tgz