Fixed memory leak, and timer error.

src/zr/roundend.inc

@@ -207,6 +207,9 @@ RoundEndOutcome:RoundEndReasonToOutcome(reason)
  */
 public Action:RoundEndTimer(Handle:timer)
 {
+    // Set the global timer handle variable to INVALID_HANDLE.
+    tRoundEnd = INVALID_HANDLE;
+    
     // If there aren't clients on both teams, then stop.
     if (!ZRTeamHasClients())
     {

src/zr/weapons/weapons.inc

@@ -343,7 +343,7 @@ WeaponsOnItemPickup(client, weapon)
     WritePackCell(eventinfo, weapon);
     
     // Create post delay timer.
-    CreateTimer(0.0, WeaponsOnItemPickupPost, eventinfo);
+    CreateTimer(0.0, WeaponsOnItemPickupPost, eventinfo, TIMER_DATA_HNDL_CLOSE);
 }
 
 /**