office/smoffice2016: Fixed arch handling.

Signed-off-by: David Spencer <idlemoor@slackbuilds.org>

office/smoffice2016/smoffice2016.SlackBuild

@@ -38,10 +38,8 @@ if [ -z "$ARCH" ]; then
 fi
 
 case "$ARCH" in
-    i586) ;;
-  x86_64) cat << EOF
-To run SoftMaker Office on 64-bit machine, you will need a multilib system.
-EOF
+    i?86) ;;
+  x86_64) echo "To run SoftMaker Office on 64-bit machine, you will need a multilib system."
           ARCH=i586 ;;
        *) echo "$ARCH is not supported."
           exit 1 ;;