Update Cairo and Pango

[certik]

No description provided.

[certik]

Pango fails to build with:

[pango] checking for g++ option to produce PIC... -fPIC -DPIC
[pango] checking if g++ PIC flag -fPIC -DPIC works... yes
[pango] checking if g++ static flag -static works... no
[pango] checking if g++ supports -c -o file.o... yes
[pango] checking if g++ supports -c -o file.o... (cached) yes
[pango] checking whether the g++ linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
[pango] checking dynamic linker characteristics... (cached) GNU/Linux ld.so
[pango] checking how to hardcode library paths into programs... immediate
[pango] configure: creating ./config.lt
[pango] config.lt: creating libtool
[pango] checking for some Win32 platform... no
[pango] checking for pkg-config... /local/certik/bld/profile/bto56eplrk4v/bin/pkg-config
[pango] checking pkg-config is at least version 0.9.0... 
[pango] yes
[pango] checking for HARFBUZZ... no
[pango] 
[pango] no
[pango] checking for CoreText availability... no
[pango] checking for CAIRO... 
[pango] yes
[pango] checking which cairo font backends could be used... none
[pango] configure: Disabling cairo support
[pango] configure: error: *** Could not enable any backends.
[pango] *** Must have at least one backend to build Pango.
[pango|ERROR] Command '[u'/bin/bash', '_hashdist/build.sh']' returned non-zero exit status 1
[pango|ERROR] command failed (code=1); raising

I don't know if we want to merge this PR, since it upgrades the packages, or wait. See also #674.