fix compile, test #3

Common/LuaBindings.cpp

@@ -43,7 +43,7 @@ extern "C" {
 #endif
 
 template <>
-int luaCall(lua_State *L,void (*_f)()) {
+int luaCall<void>(lua_State *L,void (*_f)()) {
   if (lua_gettop(L)==1)
     lua_remove(L,1);
   (*(_f))();

Common/LuaBindings.h

@@ -498,7 +498,7 @@ static int luaCall(lua_State *L, void (*_f)(t0)) {
   return 1;
 };
 template <>
-int luaCall(lua_State *L,void (*_f)());
+int luaCall<void>(lua_State *L,void (*_f)());
 
 //const, return
 template <typename tObj, typename tRet, typename t0, typename t1, typename t2, typename t3>