Enforce fragment precision qualifier requirement
TRAC #12156
The fragment shader has no default precision qualifier for floating-point types,
so compilation should fail when it's not set explicitly globally or per declaration.
Signed-off-by: Shannon Woods
Signed-off-by: Daniel Koch

Author:    Nicolas Capens

git-svn-id: https://angleproject.googlecode.com/svn/trunk@293 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/compiler/ParseHelper.h b/src/compiler/ParseHelper.h
index 995f918..718ff32 100644
--- a/src/compiler/ParseHelper.h
+++ b/src/compiler/ParseHelper.h
@@ -65,6 +65,7 @@
     void assignError(int line, const char* op, TString left, TString right);
     void unaryOpError(int line, const char* op, TString operand);
     void binaryOpError(int line, const char* op, TString left, TString right);
+    bool precisionErrorCheck(int line, TPrecision precision, TBasicType type);
     bool lValueErrorCheck(int line, const char* op, TIntermTyped*);
     bool constErrorCheck(TIntermTyped* node);
     bool integerErrorCheck(TIntermTyped* node, const char* token);