improve daily cleanup scripts

releng.control/removeUtils.shsource

@@ -30,7 +30,7 @@ function removeIf ()
          echo "WARNING: rc: " $rc " could not remove " $foundDirectory;
        fi 
        
-       return rc;
+       return $rc;
 }
 
 # function that can remove a directory (e.g. via find) but checks to make sure not to remove the last one (or, last 'saveAtLeast')
@@ -90,6 +90,6 @@ function removeArtifactsDirIf ()
          echo "WARNING: rc: " $rc ". could not remove " $foundDirectory;
        fi 
        
-       return rc;
+       return $rc;
 
 }