dracut: fix cross compiling for musl

srcpkgs/dracut/patches/musl-__wordsize.patch

@@ -0,0 +1,15 @@
+For musl libc it is required to include <sys/reg.h> to
+have __WORDSIZE defined to e.g. 32 for arm*-musl.
+
+--- install/util.h	2015-06-15 12:27:21.000000000 +0200
++++ install/util.h	2015-09-02 09:07:57.321104222 +0200
+@@ -33,6 +33,9 @@
+ #include <signal.h>
+ #include <sched.h>
+ #include <limits.h>
++#if !defined(__GLIBC__)
++#include <sys/reg.h>
++#endif
+ #include <sys/stat.h>
+ #include <dirent.h>
+ #include <sys/resource.h>

srcpkgs/dracut/template

@@ -1,7 +1,7 @@
 # Template file for 'dracut'
 pkgname=dracut
 version=043
-revision=8
+revision=9
 build_style=configure
 configure_args="--prefix=/usr --sysconfdir=/etc"
 hostmakedepends="libxslt docbook-xsl asciidoc"