Client: Fixed client getting stuck

Server seems to think some valid coordinates are invalid.
The client was getting stuck near corners.

doomsday/engine/portable/src/sv_main.c

@@ -1222,7 +1222,7 @@ void Sv_ClientCoords(int plrNum)
                         clientPos[VX], clientPos[VY], clientPos[VZ]);
 
             // We need to restore the client's old position.
-            ddpl->flags |= DDPF_FIXPOS;
+            //ddpl->flags |= DDPF_FIXPOS;
         }
         else // The move was successful.
         {