util-lib: split out fd-related operations into fd-util.[ch]

There are more than enough to deserve their own .c file, hence move them
over.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/nspawn/nspawn-setuid.c b/src/nspawn/nspawn-setuid.c
index b6d18574e8..2a1dfd83a9 100644
--- a/src/nspawn/nspawn-setuid.c
+++ b/src/nspawn/nspawn-setuid.c
@@ -23,12 +23,13 @@
 #include <sys/types.h>
 #include <unistd.h>
 
+#include "fd-util.h"
 #include "mkdir.h"
+#include "nspawn-setuid.h"
 #include "process-util.h"
 #include "signal-util.h"
 #include "string-util.h"
 #include "util.h"
-#include "nspawn-setuid.h"
 
 static int spawn_getent(const char *database, const char *key, pid_t *rpid) {
         int pipe_fds[2];