added missing variable declarations

Signed-off-by: imsolost <imsolost@gmail.com>

core/js/oc-dialogs.js

@@ -280,7 +280,7 @@ var OCdialogs = {
 					self.$form.submit();
 				});
 				var newName = $input.val();
-				lastPos = newName.lastIndexOf('.');
+				var lastPos = newName.lastIndexOf('.');
 				if (lastPos === -1) {
 					lastPos = newName.length;
 				}

core/js/sharedialoglinkshareview.js

@@ -245,7 +245,7 @@
 							var $newShare = self.$el.find('li[data-share-id="'+newShareId+'"]');
 							// only open the menu by default if this is the first share
 							if ($newShare && shares.length === 1) {
-								$menu = $newShare.find('.popovermenu');
+								var $menu = $newShare.find('.popovermenu');
 								OC.showMenu(null, $menu);
 							}
 						}
@@ -257,7 +257,7 @@
 					// password failure? Show error
 					self.password = ''
 					if (isPasswordEnforced && response && response.responseJSON && response.responseJSON.ocs.meta && response.responseJSON.ocs.meta.message) {
-						$input = self.$el.find('.pending #enforcedPassText')
+						var $input = self.$el.find('.pending #enforcedPassText')
 						$input.tooltip('destroy');
 						$input.attr('title', response.responseJSON.ocs.meta.message);
 						$input.tooltip({placement: 'bottom', trigger: 'manual'});

core/js/sharedialogview.js

@@ -338,7 +338,7 @@
 						 * build the result array that only contains all contact entries from
 						 * merged contacts, if the search term matches its contact name
 						 */
-						for (i = 0; i < groupedLength; i++) {
+						for (var i = 0; i < groupedLength; i++) {
 							if (typeof grouped[i].uuid !== 'undefined' && grouped[i].uuid === previousUuid) {
 								grouped[i].merged = true;
 							}