bin/grepc: srcfix (Escape '?' in bash(1) case following getopts(1))

Signed-off-by: Alejandro Colomar <alx@kernel.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/bin/grepc b/bin/grepc
index af6b600..b340c65 100755
--- a/bin/grepc
+++ b/bin/grepc
@@ -128,7 +128,7 @@ grepc_parse_cmd()
 			esac;
 			t='yes';
 			;;
-		?)
+		\?)
 			exit 1;  # getopts(1) prints an error msg.
 			;;
 		esac;