Cleaned trailing whitespace

src/battle_tent.c

@@ -390,7 +390,7 @@ static void GenerateOpponentMons(void)
     while (i != FRONTIER_PARTY_SIZE)
     {
         sRandMonId = monSet[Random() % numMons];
-        
+
         // Ensure none of the opponent's pokemon are the same as the potential rental pokemon for the player
         for (j = 0; j < (int)ARRAY_COUNT(gSaveBlock2Ptr->frontier.rentalMons); j++)
         {