Include <stdlib.h>, for declaration of exit.

diff --git a/lib/long-options.c b/lib/long-options.c
index a4f72b8..e36685f 100644 (file)
--- a/lib/long-options.c
+++ b/lib/long-options.c
@@ -23,6 +23,10 @@
 
 #include <stdio.h>
 #include <getopt.h>
+#if HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
+
 #include "long-options.h"
 #include "version-etc.h"