Fix printf error.

diff --git a/install_debian.sh b/install_debian.sh
index 8b57c744493a75f102ab306274bb52dfa7d3dd32..aed702e7fceb3b880c52c0febb37d0c16ab2b39d 100755 (executable)
--- a/install_debian.sh
+++ b/install_debian.sh
@@ -20,7 +20,7 @@ msg_nonl() {
     printf '[## %s ##] ' "${SCRIPT_NAME}"
     # shellcheck disable=SC2059
     # (assume we'll always pass a literal format string)
-    printf "$@"
+    printf -- "$@"
 }
 msg() {
     msg_nonl "$@"