libpng: bump to version 1.4.10

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/libpng/libpng.mk

@@ -4,9 +4,9 @@
 #
 #############################################################
 
-LIBPNG_VERSION = 1.4.9
+LIBPNG_VERSION = 1.4.10
 LIBPNG_SERIES = 14
-LIBPNG_SITE = http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/sourceforge/libpng
+LIBPNG_SITE = http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/project/libpng/libpng$(LIBPNG_SERIES)/$(LIBPNG_VERSION)
 LIBPNG_SOURCE = libpng-$(LIBPNG_VERSION).tar.bz2
 LIBPNG_INSTALL_STAGING = YES
 LIBPNG_DEPENDENCIES = host-pkg-config zlib