alarm/devtools-alarm: Remove setarch from a call to mkarchroot.

setarch does not support ARM architectures. Without this patch,
archbuild fails with this error:

    setarch: armv6h: Unrecognized architecture

This patch is similar in intent to the first hunk of
0004-arch-nspawn-arm-fix.patch.

alarm/devtools-alarm/0006-archbuild-no-setarch.patch

@@ -0,0 +1,11 @@
+--- a/archbuild.in	2014-02-16 07:57:21.777365491 -0500
++++ b/archbuild.in	2014-02-16 07:57:54.280700229 -0500
+@@ -62,7 +62,7 @@
+ 
+ 	rm -rf --one-file-system "${chroots}/${repo}-${arch}"
+ 	mkdir -p "${chroots}/${repo}-${arch}"
+-	setarch "${arch}" mkarchroot \
++	mkarchroot \
+ 		-C "@pkgdatadir@/pacman-${repo}.conf" \
+ 		-M "@pkgdatadir@/makepkg-${arch}.conf" \
+ 		"${chroots}/${repo}-${arch}/root" \

alarm/devtools-alarm/PKGBUILD

@@ -7,7 +7,7 @@
 pkgname=devtools-alarm
 _pkgname=devtools
 pkgver=20131107
-pkgrel=2
+pkgrel=3
 pkgdesc='Tools for Arch Linux ARM package maintainers'
 arch=('any')
 license=('GPL')
@@ -21,14 +21,16 @@ source=("ftp://ftp.archlinux.org/other/${_pkgname}/${_pkgname}-${pkgver}.tar.gz"
         '0002-arch-nspawn-keep-mirrorlist.patch'
         '0003-makechrootpkg-distcc.patch'
         '0004-arch-nspawn-arm-fix.patch'
-        '0005-makechrootpkg-no-default-logging.patch')
+        '0005-makechrootpkg-no-default-logging.patch'
+        '0006-archbuild-no-setarch.patch')
 md5sums=('8b78e5f8e68d09864cf231c999ab222a'
          'SKIP'
          '7b96700206f0832d8f9c72adeccb8f9f'
          'ac6a4477565030c8e2bea08068e7597f'
          '97a011ae19be82b932ef8abab83f9b6a'
          'd7c5800ed19500e33e2c9cf89c41a86c'
-         '473f7128e088188121f5565e7ca34759')
+         '473f7128e088188121f5565e7ca34759'
+         'a9f511668f1f8bb8f408017ec7dbabc9')
 
 prepare() {
 	cd ${srcdir}/${_pkgname}-${pkgver}
@@ -37,6 +39,7 @@ prepare() {
 	patch -p1 -i "${srcdir}"/0003-makechrootpkg-distcc.patch
 	patch -p1 -i "${srcdir}"/0004-arch-nspawn-arm-fix.patch
 	patch -p1 -i "${srcdir}"/0005-makechrootpkg-no-default-logging.patch
+	patch -p1 -i "${srcdir}"/0006-archbuild-no-setarch.patch
 }
 
 build() {