component/fontconfig: Bump fontconfig version (fix for FTBFS with glibc 2.25).

https://patchwork.openembedded.org/patch/134994/

component/fontconfig/buildout.cfg

@@ -13,8 +13,8 @@ parts =
 
 [fontconfig]
 recipe = slapos.recipe.cmmi
-url = http://fontconfig.org/release/fontconfig-2.12.1.tar.bz2
-md5sum = b5af5a423ee3b5cfc34846838963c058
+url = http://fontconfig.org/release/fontconfig-2.12.5.tar.bz2
+md5sum = e4d04a7723a66ae4db2a47703de00880
 pkg_config_depends = ${freetype:pkg_config_depends}:${freetype:location}/lib/pkgconfig:${libxml2:location}/lib/pkgconfig
 # XXX-Cedric : should we use --with-add-fonts={somefont:location}/share,{someotherfont:location}/share?
 configure-options =