fix include: include sys/select.h for select(2) and FD_(ZERO|SET)

Reported by nonterminal on IRC, thanks!

diff --git a/sic.c b/sic.c
index ecefaf2ff773e96dd40dd3823a5b673c0d2a937f..774f357aff161655e710fd60d26e79be871d1d24 100644 (file)
--- a/sic.c
+++ b/sic.c
@@ -1,4 +1,6 @@
  /* See LICENSE file for license details. */
+#include <sys/select.h>
+
 #include <ctype.h>
 #include <errno.h>
 #include <stdarg.h>