configs/releng/airootfs/root/.zlogin: use grep -a to ensure /proc/cmdline is treated as text

This protects against the case where /proc/cmdline contains garbage triggering grep to think it is a binary. See e.g. https://bugs.archlinux.org/task/76468 for an example.
2022-11-12 11:30:19 +02:00 · 2022-11-12 11:30:19 +02:00 · c49bcf927d
parent 0c351c5182
commit c49bcf927d
1 changed files with 1 additions and 1 deletions
--- a/airootfs/root/.zlogin
+++ b/airootfs/root/.zlogin
@ -1,5 +1,5 @@
 # fix for screen readers
-if grep -Fq 'accessibility=' /proc/cmdline &> /dev/null; then
+if grep -Fqa 'accessibility=' /proc/cmdline &> /dev/null; then
    setopt SINGLE_LINE_ZLE
 fi