Blender's benchmark submodule should be on the correct branch

This forces the release/scripts/benchmark submodule to be on the same
branch as the working directory of the bundle script (usually release-xxx).

bundle/bundle-linux.sh

@@ -278,6 +278,13 @@ ${GIT_C} pull
 echo "Updatying submodules to the latest version..."
 ${GIT_C} submodule update --remote --init --recursive
 
+
+# The release/scripts/benchmark submodule should be on the correct branch (usually release-xxx)
+BM_BRANCH=$(${GIT} -C ${SCRIPTPATH} rev-parse --abbrev-ref HEAD)
+echo "Forcing release/scripts/benchmark to $BM_BRANCH branch..."
+${GIT} -C ${SOURCE_DIRECTORY}/release/scripts/benchmark checkout ${BM_BRANCH}
+
+
 if [ "${KERNEL_NAME}" == "Darwin" ]; then
   # Get precompiled libs
   cd "${SOURCE_DIRECTORY}"