system/rar: Fix ARCH section.

Signed-off-by: bedlam <dave@slackbuilds.org>

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

system/rar/rar.SlackBuild

@@ -14,11 +14,23 @@ BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
 
-case "$( uname -m )" in
-  i?86) ARCH=i386 ;;
-  arm*) ARCH=arm ;;
-     *) ARCH=$( uname -m ) ;;
-esac
+# 2023-05-17 DW: move all the ARCH stuff above PRINT_PACKAGE_NAME
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i586 ;;
+    arm*) ARCH=arm ;;
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
+if [ "$ARCH" = "x86_64" ]; then
+   LIBDIRSUFFIX="64"
+   x64FIX="x64-"
+elif [[ $ARCH =~ i?86 ]]; then
+   LIBDIRSUFFIX=""
+else
+   printf "\n$ARCH is not supported...\n\n" ; exit 1
+fi
 
 # If the variable PRINT_PACKAGE_NAME is set, then this script will report what
 # the name of the created package would be, and then exit. This information
@@ -37,16 +49,6 @@ UNRAR=${UNRAR:-no} # disabled by default since unrar is available on SBo
 
 set -e
 
-if [ "$ARCH" = "x86_64" ]; then
-   LIBDIRSUFFIX="64"
-   x64FIX="x64-"
-elif [ "$ARCH" = "i386" ]; then
-   ARCH=i386
-   LIBDIRSUFFIX=""
-else
-   printf "\n$ARCH is not supported...\n\n" ; exit 1
-fi
-
 rm -rf $TMP/$PRGNAM $PKG
 mkdir -p $TMP $PKG $OUTPUT
 cd $TMP