mesa-snapshot.sh: ignore shellcheck false positive

DSC_FILE is guaranteed to be defined as part of the call API from
build-deb.py here.

Signed-off-by: Robie Basak <robibasa@qti.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>

Author: basak-qcom

overlay-debs/mesa-snapshot/mesa-snapshot.sh

@@ -7,6 +7,7 @@ COMMIT=${COMMIT:-origin/main}
 
 set -e
 
+# shellcheck disable=SC2153 # DSC_FILE is guaranteed to be defined by build-deb.py
 DEB_FILE=${DSC_FILE%%.dsc}.debian.tar.xz
 ORIG_FILE=$(echo ${DSC_FILE} | sed -e 's/-.*/.orig.tar.xz/')