- fix compiler warnings

src/engine/helper/HL_IuUP.cpp

@@ -1208,7 +1208,7 @@ static const uint16_t byte_crc10_table[256] = {
 /* Update the data block's CRC-10 remainder one byte at a time */
 uint16_t update_crc10_by_bytes(uint16_t crc10_accum, const uint8_t *data_blk_ptr, int data_blk_size)
 {
-  register int i;
+  /*register*/ int i;
 
   for (i = 0;  i < data_blk_size; i++) {
     crc10_accum = ((crc10_accum << 8) & 0x3ff)

src/engine/helper/HL_NetworkSocket.cpp

@@ -61,7 +61,7 @@ void DatagramSocket::sendDatagram(InternetAddress &dest, const void *packetData,
   if (mHandle == INVALID_SOCKET)
     return;
 
-  int sent = ::sendto(mHandle, (const char*)packetData, packetSize, 0, dest.genericsockaddr(), dest.sockaddrLen());
+  /*int sent = */::sendto(mHandle, (const char*)packetData, packetSize, 0, dest.genericsockaddr(), dest.sockaddrLen());
 }
 
 unsigned DatagramSocket::recvDatagram(InternetAddress &src, void *packetBuffer, unsigned packetCapacity)

src/engine/helper/HL_String.cpp

@@ -315,10 +315,10 @@ static int hex2code(char s)
     return 0;
 }
 
-static int hex2code(const char* s)
+/*static int hex2code(const char* s)
 {
     return (hex2code(s[0]) << 4) + hex2code(s[1]);
-}
+}*/
 
 std::string strx::fromHex2String(const std::string& s)
 {