Revert "lib: don't compare fd to FD_SETSIZE when using poll" (curl/curl@d293bf4) via b3a5e60

Possibly the cause of file descriptor errors when downloading resources.

Further investigation pending.

This reverts commit curl/curl@d293bf4.

This partially reverts commit b3a5e60.

Author: patrikjuvonen

vendor/curl/lib/select.h

@@ -106,11 +106,7 @@ int tpf_select_libcurl(int maxfds, fd_set* reads, fd_set* writes,
   } \
 } while(0)
 #else
-#ifdef HAVE_POLL_FINE
-#define VALID_SOCK(s) ((s) >= 0)  /* FD_SETSIZE is irrelevant for poll */
-#else
 #define VALID_SOCK(s) (((s) >= 0) && ((s) < FD_SETSIZE))
-#endif
 #define VERIFY_SOCK(x) do { \
   if(!VALID_SOCK(x)) { \
     SET_SOCKERRNO(EINVAL); \