util-linux: fix manpage links

Manpages of vigr, swapoff and lastb don't link properly.

srcpkgs/util-linux/patches/fix_manpage_redirects.patch

@@ -0,0 +1,18 @@
+--- a/login-utils/lastb.1
++++ b/login-utils/lastb.1
+@@ -1 +1 @@
+-.so last.1
+\ No newline at end of file
++.so man1/last.1
+--- a/login-utils/vigr.8
++++ b/login-utils/vigr.8
+@@ -1 +1 @@
+-.so vipw.8
+\ No newline at end of file
++.so man8/vipw.8
+--- a/sys-utils/swapoff.8
++++ b/sys-utils/swapoff.8
+@@ -1 +1 @@
+-.so swapon.8
+\ No newline at end of file
++.so man8/swapon.8

srcpkgs/util-linux/template

@@ -2,7 +2,7 @@
 # Keep this package sync with util-linux-common
 pkgname=util-linux
 version=2.38.1
-revision=5
+revision=6
 build_style=gnu-configure
 configure_args="--exec-prefix=\${prefix} --enable-libuuid --disable-makeinstall-chown
  --enable-libblkid --enable-fsck --disable-rpath --enable-fs-paths-extra=/usr/sbin:/usr/bin