fixed typo

git_helpers

@@ -188,7 +188,7 @@ pull_customer_repository () {
     # If 'git pull' has fetched new data, then there are lines starting with
     # DOWNLOAD or EXECUTE.
     grep -E -q "^[[:space:]]*(DOWNLOAD|EXECUTE)" "$GIT_UPDATE_LOG"
-    if [ $? -eq 0]; then
+    if [ $? -eq 0 ]; then
         log_info "$func:${LINENO}: new data fetched from repository"
         cd_home; return 0
     fi