use a form of attr that will always set the value. fixes select2#810

ivaynberg · ivaynberg · commit d1e9531a0a1b · 2013-02-06T14:02:15.000-08:00
diff --git a/select2.js b/select2.js
@@ -645,7 +645,7 @@ the specific language governing permissions and limitations under the Apache Lic
                 select2.opts.element
                     .removeData("select2")
                     .unbind(".select2")
-                    .attr("tabIndex", this.elementTabIndex)
+                    .attr({"tabIndex": this.elementTabIndex})
                     .show();
             }
         },

Original file line number	Diff line number	Diff line change
`@@ -645,7 +645,7 @@ the specific language governing permissions and limitations under the Apache Lic`
`645`	`645`	`select2.opts.element`
`646`	`646`	`.removeData("select2")`
`647`	`647`	`.unbind(".select2")`
`648`		`- .attr("tabIndex", this.elementTabIndex)`
	`648`	`+ .attr({"tabIndex": this.elementTabIndex})`
`649`	`649`	`.show();`
`650`	`650`	`}`
`651`	`651`	`},`