[Intel-gfx] [maintainer-tools PATCH 3/4] dim: Fix shellcheck SC2153

[Jani Nikula]

The fix is a bit artificial, but mute the warning.

Fixes: 809748225c4e ("dim: Add add-missing-cc command")
Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 dim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dim b/dim
index 070b199c699b..f614533c5b09 100755
--- a/dim
+++ b/dim
@@ -350,7 +350,7 @@ function git_branch_exists # branch
 function git_committer_email
 {
 	if ! committer_email=$(git config --get user.email) ; then
-		committer_email=$EMAIL
+		committer_email=${EMAIL-}
 	fi
 
 	echo $committer_email
-- 
2.11.0