Recognize all keywords during autocompletion

src/plugins/glsleditor/glslcodecompletion.cpp

@@ -631,7 +631,7 @@ int CodeCompletion::startCompletion(TextEditor::ITextEditable *editor)
 
         // parse the expression
         GLSL::Engine engine;
-        GLSL::Parser parser(&engine, code, code.size(), GLSL::Lexer::Variant_GLSL_Qt);
+        GLSL::Parser parser(&engine, code, code.size(), GLSL::Lexer::Variant_All);
         GLSL::ExpressionAST *expr = parser.parseExpression();
 
 #if 0