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-rwxr-xr-xtools/captcha.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/captcha.sh b/tools/captcha.sh
index 9fa4a52c4..59df7fcc6 100755
--- a/tools/captcha.sh
+++ b/tools/captcha.sh
@@ -21,7 +21,7 @@ if test -n ${BASH_VERSION:-''} ; then
R=$RANDOM
}
else
- for n in `od -A n -t u2 -N 48 /dev/urandom`; do RL="$RL$n "; done
+ for n in $(od -A n -t u2 -N 48 /dev/urandom); do RL="$RL$n "; done
get_random ()
{
R=${RL%% *}