man page says I need this

diff --git a/IkiWiki/Wrapper.pm b/IkiWiki/Wrapper.pm
index deba58d2893e819d51968f9889c99f2807cd26e0..0f64a59f4c039ab24872457cc3529c364deee172 100644 (file)
--- a/IkiWiki/Wrapper.pm
+++ b/IkiWiki/Wrapper.pm
@@ -58,6 +58,7 @@ EOF
 /* A wrapper for ikiwiki, can be safely made suid. */
 #define _GNU_SOURCE
 #include <stdio.h>
+#include <sys/types.h>
 #include <unistd.h>
 #include <stdlib.h>
 #include <string.h>