Merge pull request angular-ui#735 from cmlenz/fix-sizing-single

Fix for sizing bug introduced by angular-ui#718

Author: dimirc

src/uiSelectDirective.js

@@ -211,8 +211,10 @@ uis.directive('uiSelect',
       attrs.$observe('disabled', function() {
         // No need to use $eval() (thanks to ng-disabled) since we already get a boolean instead of a string
         $select.disabled = attrs.disabled !== undefined ? attrs.disabled : false;
-        // As the search input field may now become visible, it may be necessary to recompute its size
-        $select.sizeSearchInput();
+        if ($select.multiple) {
+          // As the search input field may now become visible, it may be necessary to recompute its size
+          $select.sizeSearchInput();
+        }
       });
 
       attrs.$observe('resetSearchInput', function() {