grepc: srcfix

SC2004: $/${} is unnecessary on arithmetic variables.

Reported-by: shellcheck(1)
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/bin/grepc b/bin/grepc
index 9c59c3d..63aa2c3 100755
--- a/bin/grepc
+++ b/bin/grepc
@@ -112,7 +112,7 @@ grepc_parse_cmd()
 			;;
 		esac;
 	done;
-	shift $(($OPTIND-1));
+	shift $((OPTIND-1));
 
 	if [ $# -lt 1 ]; then
 		grepc_usage >&2;