fix issue button text change

templates/issue/view.tmpl

@@ -79,7 +79,7 @@
                                     <div class="tab-pane" id="issue-textarea">
                                         <div class="form-group">
                                             <input type="hidden" value="{{.Issue.Index}}" name="issueIndex"/>
-                                            <textarea class="form-control" name="content" id="issue-content" rows="10" placeholder="Write some content" data-ajax-rel="issue-preview" data-ajax-val="val" data-ajax-field="content">{{.content}}</textarea>
+                                            <textarea class="form-control" name="content" id="issue-reply-content" rows="10" placeholder="Write some content" data-ajax-rel="issue-preview" data-ajax-val="val" data-ajax-field="content">{{.content}}</textarea>
                                         </div>
                                     </div>
                                     <div class="tab-pane issue-preview-content" id="issue-preview">loading...</div>