HLSL: Change the final syntax-error printf to go to the infoLog.

Fixes issue #510.

hlsl/hlslParseHelper.cpp

@@ -124,8 +124,8 @@ bool HlslParseContext::parseShaderStrings(TPpContext& ppContext, TInputScanner&
         // Print a message formated such that if you click on the message it will take you right to
         // the line through most UIs.
         const glslang::TSourceLoc& sourceLoc = input.getSourceLoc();
-        printf("\n%s(%i): error at column %i, HLSL translation failed.\n", sourceLoc.name, sourceLoc.line,
-                                                                                           sourceLoc.column);
+        infoSink.info << sourceLoc.name << "(" << sourceLoc.line << "): error at column " << sourceLoc.column << ", HLSL parsing failed.\n";
+        ++numErrors;
         return false;
     }