Fix a signed/unsigned warning introduced in 1b4568c

vout counter must be unsigned.

src/wallet.cpp

@@ -815,7 +815,7 @@ void CWalletTx::GetAmounts(list<COutputEntry>& listReceived,
     }
 
     // Sent/received.
-    for (int i = 0; i < vout.size(); ++i)
+    for (unsigned int i = 0; i < vout.size(); ++i)
     {
         const CTxOut& txout = vout[i];
         isminetype fIsMine = pwallet->IsMine(txout);
@@ -840,7 +840,7 @@ void CWalletTx::GetAmounts(list<COutputEntry>& listReceived,
             address = CNoDestination();
         }
 
-        COutputEntry output = {address, txout.nValue, i};
+        COutputEntry output = {address, txout.nValue, (int)i};
 
         // If we are debited by the transaction, add the output as a "sent" entry
         if (nDebit > 0)