mdadm: fix segfault on musl

srcpkgs/mdadm/patches/musl.patch

@@ -18,3 +18,13 @@
  #include	<signal.h>
  #include	<sys/signalfd.h>
  #include	<sys/wait.h>
+--- mdadm-4.3/Monitor.c
++++ mdadm-4.3/Monitor.c
+@@ -29,6 +29,7 @@
+ #include	<sys/wait.h>
+ #include	<limits.h>
+ #include	<syslog.h>
++#include	<libgen.h>
+ 
+ #define TASK_COMM_LEN 16
+ #define EVENT_NAME_MAX 32

srcpkgs/mdadm/template

@@ -1,7 +1,7 @@
 # Template file for 'mdadm'
 pkgname=mdadm
 version=4.3
-revision=2
+revision=3
 hostmakedepends="pkg-config"
 makedepends="eudev-libudev-devel"
 short_desc="Tool for managing/monitoring Linux md device arrays"