Suppress stderr from command -v checks

Now I remember--old Bash prints failure messages to stderr for this
call. That'll be why I was suppressing both streams initially.

1 files changed, 1 insertions, 1 deletions

diff --git a/bin/td b/bin/td
index 5088f572..90df92d9 100755
--- a/bin/td
+++ b/bin/td
@@ -12,7 +12,7 @@ file=${1:-"${TODO_NAME:-todo}"}
 cd -- "$dir" || exit
 
 # If the current directory isn't a Git repository, try to create one
-if ! command -v isgr >/dev/null ; then
+if ! command -v isgr >/dev/null 2>&1 ; then
     printf >&2 'isgr: command not found\n'
     exit 1
 fi