Fix mantis 3025: pass lua HookVar integer data as an integer, not a struct

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10543 387891d4-d844-0410-90c0-e4c51a9137d3

code/parse/scripting.cpp

@@ -670,6 +670,8 @@ void script_state::SetHookVar(char *name, char format, void *data)
 			{
 				if(format == 's')
 					ade_set_args(LuaState, fmt, data);
+				else if (format == 'i')
+					ade_set_args(LuaState, fmt, *(int*)data);
 				else
 					ade_set_args(LuaState, fmt, *(ade_odata*)data);
 			}