package/expat: bump to version 2.4.6

This release fixes a regression introduced by one of the security fixes
in 2.4.5.

https://blog.hartwork.org/posts/expat-2-4-6-released
https://github.com/libexpat/libexpat/blob/R_2_4_6/expat/Changes

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/expat/expat.hash

@@ -1,7 +1,7 @@
-# From https://sourceforge.net/projects/expat/files/expat/2.4.5/
-md5  9dc183e6c1eebc1b658c1e71be0885e1  expat-2.4.5.tar.xz
-sha1  360a49b55c442e91cb7b328bc0335083909ddf4f  expat-2.4.5.tar.xz
+# From https://sourceforge.net/projects/expat/files/expat/2.4.6/
+md5  22a30c888752fdda9f8dd1b7281c54b0  expat-2.4.6.tar.xz
+sha1  26e223c4795c242814b0e3299a5027c22b9dc733  expat-2.4.6.tar.xz
 
 # Locally calculated
-sha256  f2af8fc7cdc63a87920da38cd6d12cb113c3c3a3f437495b1b6541e0cff32579  expat-2.4.5.tar.xz
+sha256  de55794b7a9bc214852fdc075beaaecd854efe1361597e6268ee87946951289b  expat-2.4.6.tar.xz
 sha256  8c6b5b6de8fae20b317f4992729abc0e520bfba4c7606cd1e9eeb87418eebdec  COPYING

package/expat/expat.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-EXPAT_VERSION = 2.4.5
+EXPAT_VERSION = 2.4.6
 EXPAT_SITE = http://downloads.sourceforge.net/project/expat/expat/$(EXPAT_VERSION)
 EXPAT_SOURCE = expat-$(EXPAT_VERSION).tar.xz
 EXPAT_INSTALL_STAGING = YES