src/main.cpp: endian compatibility in packet checksum check

src/main.cpp

@@ -4318,8 +4318,7 @@ bool ProcessMessages(CNode* pfrom)
         // Checksum
         CDataStream& vRecv = msg.vRecv;
         uint256 hash = Hash(vRecv.begin(), vRecv.begin() + nMessageSize);
-        unsigned int nChecksum = 0;
+        unsigned int nChecksum = ReadLE32((unsigned char*)&hash);
-        memcpy(&nChecksum, &hash, sizeof(nChecksum));
         if (nChecksum != hdr.nChecksum)
         {
             LogPrintf("ProcessMessages(%s, %u bytes): CHECKSUM ERROR nChecksum=%08x hdr.nChecksum=%08x\n",