nfs-utils: update to 1.2.5, systemd switch.

srcpkgs/nfs-utils/patches/nfs-utils-1.1.4-mtab-sym.patch

@@ -0,0 +1,39 @@
+ripped from Debian
+
+--- utils/mount/fstab.c
++++ utils/mount/fstab.c
+@@ -57,7 +57,7 @@ mtab_does_not_exist(void) {
+ 	return var_mtab_does_not_exist;
+ }
+ 
+-static int
++int
+ mtab_is_a_symlink(void) {
+         get_mtab_info();
+         return var_mtab_is_a_symlink;
+--- utils/mount/fstab.h
++++ utils/mount/fstab.h
+@@ -7,6 +7,7 @@
+ #define _PATH_FSTAB "/etc/fstab"
+ #endif
+ 
++int mtab_is_a_symlink(void);
+ int mtab_is_writable(void);
+ int mtab_does_not_exist(void);
+ void reset_mtab_info(void);
+--- utils/mount/mount.c
++++ utils/mount/mount.c
+@@ -230,6 +230,13 @@ create_mtab (void) {
+ 	int flags;
+ 	mntFILE *mfp;
+ 
++	/* Avoid writing if the mtab is a symlink to /proc/mounts, since
++	   that would create a file /proc/mounts in case the proc filesystem
++	   is not mounted, and the fchmod below would also fail. */
++	if (mtab_is_a_symlink()) {
++		return EX_SUCCESS;
++	}
++
+ 	lock_mtab();
+ 
+ 	mfp = nfs_setmntent (MOUNTED, "a+");