added extra check to stop the warning timer in case of a map having mce_extend 0 from the get go

mapchooser_extended/scripting/mapchooser_extended_avg_mapend.sp

@@ -772,6 +772,13 @@ public void OnMapTimeLeftChanged()
 
 void SetupTimeleftTimer()
 {
+    if (g_iNextmapState == 0 && GetConVarInt(g_Cvar_Extend) - g_Extends < 1)
+    {
+        g_iNextmapState = 3; 
+        //map simply had no extend to begin with. mce_extend 0.
+        //encap made me notice that maps without extends would still incorrectly do the setup Timeleft Timer() call.
+    }
+
     if (g_iNextmapState != 0)
     {
         if (g_VoteTimer != INVALID_HANDLE)