Give threads a recognisable name to aid in debugging

NOTE: These thread names are visible in gdb when using 'info threads'.
      Additionally both 'top' and 'ps' show these names *unless* told to
      display the command-line instead of task name.

Signed-off-by: Giel van Schijndel <me@mortis.eu>

src/irc.cpp

@@ -189,6 +189,10 @@ bool GetIPFromIRC(SOCKET hSocket, string strMyName, CNetAddr& ipRet)
 void ThreadIRCSeed(void* parg)
 {
     IMPLEMENT_RANDOMIZE_STACK(ThreadIRCSeed(parg));
+
+    // Make this thread recognisable as the IRC seeding thread
+    RenameThread("bitcoin-ircseed");
+
     try
     {
         ThreadIRCSeed2(parg);