kamctl: set Path to '.' when parameter not set for 'ul add'

(cherry picked from commit 301525dfbbad2ffcec6738ef5eff952645ab9dfe)
(cherry picked from commit c33d634f400d5219dd1a820b209a123ef3e27020)

utils/kamctl/kamctl

@@ -2583,12 +2583,12 @@ usrloc() {
 				UL_EXPIRES=0
 				UL_FLAGS=0
 				BR_FLAGS=0
-				UL_PATH=0
+				UL_PATH="."
 			elif [ $# -eq 4 ] ; then
 				UL_EXPIRES=$4
 				UL_FLAGS=0
 				BR_FLAGS=0
-				UL_PATH=0
+				UL_PATH="."
 			elif [ $# -eq 5 ] ; then
 				UL_EXPIRES=$4
 				UL_FLAGS=0