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

[mirror_edk2.git] / edksetup.sh

diff --git a/edksetup.sh b/edksetup.sh
index 752e47e7cb569ece6b26371eb57db1d7d6308bb9..76c8d7916e3104ab04a64a83e5de533cd211ccd7 100755 (executable)
--- a/edksetup.sh
+++ b/edksetup.sh
@@ -199,7 +199,7 @@ do
       break
     ;;
   esac
-  I=$(($I - 1))
+  I=$((I - 1))
 done
 
 if [ $I -gt 0 ]