fixed cancel button to close add server modal

Change-Id: Ib507d6e66396e7d5f48bdafc3445ce93f2cbeb7c
Signed-off-by: Michael Davis <michael.s.davis@ibm.com>
diff --git a/app/multi-server/controllers/multi-server-controller.html b/app/multi-server/controllers/multi-server-controller.html
index c477ba8..08a948c 100644
--- a/app/multi-server/controllers/multi-server-controller.html
+++ b/app/multi-server/controllers/multi-server-controller.html
@@ -169,7 +169,7 @@
 				<span class="inline">View this server once added</span>
 			</label>
 			<div class="modal__button-wrapper">
-				<button class="inline btn-secondary">Cancel</button>
+				<button class="inline btn-secondary" ng-click="multi_server_add = false">Cancel</button>
 				<button class="inline btn-primary">Add</button>
 			</div>
 			<p class="login__error-msg" role="alert" ng-if="error">Incorrect username or password</p>