Mirror fix for max-fds from 2.5.

Author: michaelrsweet

scheduler/client.c

@@ -80,7 +80,7 @@ cupsdAcceptClient(cupsd_listener_t *lis)/* I - Listener socket */
   * Make sure we don't have a full set of clients already...
   */
 
-  if (cupsArrayCount(Clients) == MaxClients)
+  if (MaxClients > 0 && cupsArrayCount(Clients) >= MaxClients)
     return;
 
   cupsdSetBusyState(1);

scheduler/main.c

@@ -523,13 +523,14 @@ main(int  argc,				/* I - Number of command-line args */
   * to the number of TCP port number values (64k-1)...
   */
 
+  limit.rlim_max = 0;
   getrlimit(RLIMIT_NOFILE, &limit);
 
 #if !defined(HAVE_POLL) && !defined(HAVE_EPOLL) && !defined(HAVE_KQUEUE)
-  if ((MaxFDs = limit.rlim_max) > FD_SETSIZE)
+  if ((MaxFDs = limit.rlim_max) > FD_SETSIZE || MaxFDs <= 0)
     MaxFDs = FD_SETSIZE;
 #else
-  if ((MaxFDs = limit.rlim_max) > 65535)
+  if ((MaxFDs = limit.rlim_max) > 65535 || MaxFDs <= 0)
     MaxFDs = 65535;
 #endif /* RLIM_INFINITY */