Fixing space issues between " and ]

When we are using '[' aka. ``test`` , before the closing ']'
we need to use a space.

Otherwise the commands return with '2' so the "expression" will be a constant
false.

Change-Id: I673762e802c28335e03390b6608cf6bbee6aaba6
diff --git a/functions b/functions
index 0a73b9f..197b4cc 100644
--- a/functions
+++ b/functions
@@ -1266,7 +1266,7 @@
     # where we really really want the overridden version to stick. So provide
     # a variable that tells us whether or not we should UNDO the requirements
     # changes (this will be set to False in the OpenStack ci gate)
-    if [ $UNDO_REQUIREMENTS = "True"]; then
+    if [ $UNDO_REQUIREMENTS = "True" ]; then
         if [ $update_requirements -eq 0 ]; then
             (cd $project_dir && git reset --hard)
         fi