Fix build with Clang.

src/compiler/translator/OutputHLSL.cpp

@@ -4192,6 +4192,8 @@ bool OutputHLSL::isVaryingOut(TQualifier qualifier)
       case EvqCentroidOut:
       case EvqVertexOut:
         return true;
+
+      default: break;
     }
 
     return false;
@@ -4208,6 +4210,8 @@ bool OutputHLSL::isVaryingIn(TQualifier qualifier)
       case EvqCentroidIn:
       case EvqFragmentIn:
         return true;
+
+      default: break;
     }
 
     return false;

src/compiler/translator/ParseContext.cpp

@@ -638,6 +638,8 @@ bool TParseContext::structQualifierErrorCheck(const TSourceLoc& line, const TPub
             error(line, "cannot be used with a structure", getQualifierString(pType.qualifier));
             return true;
         }
+
+      default: break;
     }
 
     if (pType.qualifier != EvqUniform && samplerErrorCheck(line, pType, "samplers must be uniform"))

src/compiler/translator/SymbolTable.h

@@ -360,7 +360,7 @@ public:
         insert(level, *function);
     }
 
-    TSymbol *find(const TString &name, int shaderVersion, bool *builtIn = false, bool *sameScope = false);
+    TSymbol *find(const TString &name, int shaderVersion, bool *builtIn = NULL, bool *sameScope = NULL);
     TSymbol *findBuiltIn(const TString &name, int shaderVersion);
     
     TSymbolTableLevel *getOuterLevel() {