fix missing arch=()

app/arch/bzip2/ympbuild

@@ -11,7 +11,7 @@ source=("https://sourceware.org/pub/bzip2/bzip2-${version}.tar.gz"
 md5sums=('67e051268d0c475ea773822f7500d0e5'
          'SKIP')
 group=(app.arch)
-
+arch=(x86_64)
 cd $name-$version
 
 setup(){

app/arch/libarchive/ympbuild

@@ -23,6 +23,7 @@ lz4_depends=(lz4)
 lzo_depends=(lzo)
 nettle_depends=(nettle)
 zstd_depends=(zstd)
+arch=(x86_64)
 
 cd $name-$version