Add braces to meet code style on line-after-the-one-changed.

Author: TheBlueMatt

src/validation.cpp

@@ -548,8 +548,9 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
     const uint256 hash = tx.GetHash();
     AssertLockHeld(cs_main);
     LOCK(pool.cs); // mempool "read lock" (held through GetMainSignals().TransactionAddedToMempool())
-    if (pfMissingInputs)
+    if (pfMissingInputs) {
         *pfMissingInputs = false;
+    }
 
     if (!CheckTransaction(tx, state))
         return false; // state filled in by CheckTransaction