iwd: fix basename on musl

musl provides a compatibility basename declaration so applications
expecting GNU basename could still compile even though musl doesn't provide
GNU basename and only POSIX basename.

srcpkgs/iwd/patches/musl.patch

@@ -0,0 +1,13 @@
+Include libgen.h for POSIX basename as musl doesn provide GNU basename in string.h.
+
+diff -rup src/wiphy.c.orig src/wiphy.c
+--- a/src/wiphy.c
++++ b/src/wiphy.c
+@@ -33,6 +33,7 @@
+ #include <unistd.h>
+ #include <string.h>
+ #include <limits.h>
++#include <libgen.h>
+ 
+ #include <ell/ell.h>
+ 

srcpkgs/iwd/template

@@ -1,7 +1,7 @@
 # Template file for 'iwd'
 pkgname=iwd
 version=2.13
-revision=1
+revision=2
 build_style=gnu-configure
 configure_args="--disable-systemd-service --enable-pie
  --enable-dbus-policy --enable-wired"