Handle hex int constant in preprocessor

The patch is provided by jdashg and committed by zmo.

(see angle issue 178)

ANGLEBUG=178
TEST=shader-with-hex-int-constant-macro.html
TBR=zmo
Review URL: https://codereview.appspot.com/6037044

git-svn-id: https://angleproject.googlecode.com/svn/trunk@1041 736b8ea6-26fd-11df-bfd4-992fa37f6226
2 files changed