edksetup.sh: when executing arithmetic commands, $ isn't needed

Signed-off-by: Rebecca Cran <rebecca@bsdio.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org> Message-Id: <20190716165538.57960-3-rebecca@bsdio.com>
tianocore · Jul 23, 2019 · 11e5fc6 · 11e5fc6
1 parent 07d80d3
commit 11e5fc6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/edksetup.sh b/edksetup.sh
@@ -199,7 +199,7 @@ do
       break
     ;;
   esac
-  I=$(($I - 1))
+  I=$((I - 1))
 done
 
 if [ $I -gt 0 ]