privsep: Fix compile on Linux

setgroup requires <grp.h>

diff --git a/src/privsep.c b/src/privsep.c
index 795472950075b92088b2623fffa5f956edc4be14..d3dfd503a30c64ffb62b8c43858c50001ac1dad9 100644 (file)
--- a/src/privsep.c
+++ b/src/privsep.c
@@ -49,10 +49,11 @@
 #endif
 
 #include <assert.h>
-#include <pwd.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <grp.h>
 #include <paths.h>
+#include <pwd.h>
 #include <stddef.h>    /* For offsetof, struct padding debug */
 #include <signal.h>
 #include <stdlib.h>