lightdm: apply musl patches properly

srcpkgs/lightdm/files/musl/musl-updwtmpx.patch

@@ -1,13 +0,0 @@
---- ./src/session-child.c.orig	2015-09-08 14:47:47.260663825 -0400
-+++ ./src/session-child.c	2015-09-08 14:48:01.578663388 -0400
-@@ -198,8 +198,8 @@
- }
- 
- /* GNU provides this but we can't rely on that so let's make our own version */
--static void
--updwtmpx (const gchar *wtmp_file, struct utmpx *ut)
-+void
-+updwtmpx (const char *wtmp_file, const struct utmpx *ut)
- {
-     struct utmp u;
- 

srcpkgs/lightdm/patches/musl-updwtmpx.patch

@@ -0,0 +1,38 @@
+--- ./src/session-child.c.orig	2015-09-11 18:01:00.262401041 -0400
++++ ./src/session-child.c	2015-09-11 18:02:23.249398508 -0400
+@@ -199,7 +199,7 @@
+ 
+ /* GNU provides this but we can't rely on that so let's make our own version */
+ static void
+-updwtmpx (const gchar *wtmp_file, struct utmpx *ut)
++_updwtmpx (const char *wtmp_file, const struct utmpx *ut)
+ {
+     struct utmp u;
+ 
+@@ -385,7 +385,7 @@
+             ut.ut_tv.tv_sec = tv.tv_sec;
+             ut.ut_tv.tv_usec = tv.tv_usec;
+ 
+-            updwtmpx ("/var/log/btmp", &ut);
++            _updwtmpx ("/var/log/btmp", &ut);
+         }
+ 
+         /* Check account is valid */
+@@ -700,7 +700,7 @@
+             if (!pututxline (&ut))
+                 g_printerr ("Failed to write utmpx: %s\n", strerror (errno));
+             endutxent ();
+-            updwtmpx ("/var/log/wtmp", &ut);
++            _updwtmpx ("/var/log/wtmp", &ut);
+         }
+ 
+         waitpid (child_pid, &return_code, 0);
+@@ -736,7 +736,7 @@
+             if (!pututxline (&ut))
+                 g_printerr ("Failed to write utmpx: %s\n", strerror (errno));
+             endutxent ();
+-            updwtmpx ("/var/log/wtmp", &ut);
++            _updwtmpx ("/var/log/wtmp", &ut);
+         }
+     }
+ 

srcpkgs/lightdm/template

@@ -1,7 +1,7 @@
 # Template file for 'lightdm'
 pkgname=lightdm
 version=1.16.0
-revision=1
+revision=2
 build_pie=yes
 build_style=gnu-configure
 configure_args="--sbindir=/usr/bin --with-greeter-session=lightdm-gtk-greeter
@@ -42,16 +42,6 @@ if [ -z "$CROSS_BUILD" ]; then
 	subpackages+=" liblightdm-qt liblightdm-qt5"
 fi
 
-post_extract() {
-	case "$XBPS_TARGET_MACHINE" in
-		*-musl)
-			for f in ${FILESDIR}/musl/*.patch; do
-				patch -Np1 -i $f
-			done
-			;;
-	esac
-}
-
 post_install() {
 	# Remove provided init file and use our own.
 	rm -rf ${DESTDIR}/etc/init