Utils.h: Include fcntl.h

fcntl.h is needed for fcntl() and defines like FD_CLOEXEC, F_SETFD and F_GETFD.
This worked so far, because some C++ header pulled in fcntl.h, but there are
systems out there for which this is not true. (Found on solaris)

Thanks to sartek.


git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@1497 726aef4b-f618-498e-8847-2d620e286838

Utils.h

@@ -12,6 +12,7 @@
 #include "ZNCString.h"
 #include <assert.h>
 #include <cstdio>
+#include <fcntl.h>
 #include <map>
 #include <sys/file.h>
 #include <sys/time.h>