Contribs: Minor updates of libxml and libpng

extras/contrib/src/packages.mak

@@ -138,7 +138,7 @@ VCDIMAGER_VERSION=0.7.23
 VCDIMAGER_URL=$(GNU)/vcdimager/vcdimager-$(VCDIMAGER_VERSION).tar.gz
 CDIO_VERSION=0.80
 CDIO_URL=$(GNU)/libcdio/libcdio-$(CDIO_VERSION).tar.gz
-PNG_VERSION=1.4.4
+PNG_VERSION=1.4.5
 PNG_URL=$(SF)/libpng/libpng-$(PNG_VERSION).tar.bz2
 GPGERROR_VERSION=1.7
 #GPGERROR_URL=$(CONTRIB_VIDEOLAN)/libgpg-error-$(GPGERROR_VERSION).tar.bz2
@@ -178,7 +178,7 @@ QT4_MAC_VERSION=4.7.1
 QT4_MAC_URL=http://get.qt.nokia.com/qt/source/qt-mac-opensource-$(QT4_MAC_VERSION).dmg
 ZLIB_VERSION=1.2.5
 ZLIB_URL=$(SF)/libpng/zlib-$(ZLIB_VERSION).tar.gz
-XML_VERSION=2.7.7
+XML_VERSION=2.7.8
 #XML_URL=$(CONTRIB_VIDEOLAN)/libxml2-$(XML_VERSION).tar.gz
 XML_URL=http://xmlsoft.org/sources/libxml2-$(XML_VERSION).tar.gz
 DIRAC_VERSION=1.0.2