Use reference for function name in say/think for secs

Author: adazem009

src/blocks/looksblocks.cpp

@@ -74,7 +74,7 @@ void LooksBlocks::onInit(IEngine *engine)
     });
 }
 
-void LooksBlocks::compileSayOrThinkForSecs(Compiler *compiler, const std::string function)
+void LooksBlocks::compileSayOrThinkForSecs(Compiler *compiler, const std::string &function)
 {
     auto message = compiler->addInput("MESSAGE");
     auto duration = compiler->addInput("SECS");

src/blocks/looksblocks.h

@@ -24,7 +24,7 @@ class LooksBlocks : public IExtension
         void onInit(IEngine *engine) override;
 
     private:
-        static void compileSayOrThinkForSecs(Compiler *compiler, const std::string function);
+        static void compileSayOrThinkForSecs(Compiler *compiler, const std::string &function);
         static void compileSetOrChangeEffect(Compiler *compiler, const std::string &function, const std::string &effectName, CompilerValue *arg);
 
         static CompilerValue *compileSayForSecs(Compiler *compiler);