Issue=125
Signed-off-by: Nicolas Capens
Signed-off-by: Daniel Koch

Part 2 of 5: <http://webkit.org/b/56337> Enable -Werror on ANGLE

Upstream bug: <http://code.google.com/p/angleproject/issues/detail?id=125>

Fixes the following static analyzer warning:

    src/compiler/ParseHelper.cpp:264:13: warning: 8 enumeration values not handled in switch: 'EbtVoid', 'EbtBool', 'EbtGuardSamplerBegin'... [-Wswitch-enum,2]
         switch( type ){
                 ^

* src/compiler/ParseHelper.cpp:
(TParseContext::precisionErrorCheck): Added a default case.

Author:    David Kilzer <ddkilzer@apple.com>

git-svn-id: https://angleproject.googlecode.com/svn/trunk@573 736b8ea6-26fd-11df-bfd4-992fa37f6226