webkitgtk 2.0.3 and patches (fixes the build errors)

`$ brew --config`

    HOMEBREW_VERSION: 0.9.4
    ORIGIN: http://github.com/mxcl/homebrew.git
    HEAD: 0797becc67d692c59f5bd1120dace88951502d65
    HOMEBREW_PREFIX: /usr/local
    HOMEBREW_CELLAR: /usr/local/Cellar
    CPU: dual-core 64-bit penryn
    OS X: 10.8.2-x86_64
    Xcode: 4.5.2
    CLT: 4.5.0.0.1.1249367152
    GCC-4.2: build 5666
    LLVM-GCC: build 2336
    Clang: 4.1 build 421
    X11: 2.7.5_rc1 => /opt/X11
    System Ruby: 1.8.7-358
    Perl: /usr/bin/perl
    Python: /usr/local/bin/python => /usr/local/Cellar/python/2.7.4/Frameworks/Python.framework/Versions/2.7/bin/python2.7
    Ruby: /usr/bin/ruby => /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby