Micro-optimizations related to std::string

* Rely on the fact that a std::string is empty by default
* Use std::string::empty() rather than comparing to ""
* Construct with std::string() rather than from ""

Reviewed-by: Bertram

1 files changed, 1 insertions, 1 deletions

diff --git a/src/scripting/luascript.cpp b/src/scripting/luascript.cpp
index ff993899..a9c43b72 100644
--- a/src/scripting/luascript.cpp
+++ b/src/scripting/luascript.cpp
@@ -80,7 +80,7 @@ int LuaScript::execute()
     res = lua_tointeger(mState, -1);
     lua_pop(mState, 1);
     return res;
-    mCurFunction = "";
+    mCurFunction.clear();
 }
 
 void LuaScript::load(const char *prog, const char *name)