Remove some unused variables.

libvncserver/main.c

@@ -1071,7 +1071,6 @@ rfbProcessEvents(rfbScreenInfoPtr screen,long usec)
 {
   rfbClientIteratorPtr i;
   rfbClientPtr cl,clPrev;
-  struct timeval tv;
   rfbBool result=FALSE;
   extern rfbClientIteratorPtr
     rfbGetClientIteratorWithClosed(rfbScreenInfoPtr rfbScreen);

libvncserver/sockets.c

@@ -218,8 +218,6 @@ rfbCheckFds(rfbScreenInfoPtr rfbScreen,long usec)
     struct sockaddr_in addr;
     socklen_t addrlen = sizeof(addr);
     char buf[6];
-    const int one = 1;
-    int sock;
     rfbClientIteratorPtr i;
     rfbClientPtr cl;
     int result = 0;