Fix #1091: Set default button type for close button markup template

CHANGE.md

@@ -3,8 +3,9 @@ Change Log: `bootstrap-fileinput`
 
 ## version 4.4.5 (_under development_)
 
-**Date:** 24-Sep-2017
+**Date:** 29-Sep-2017
 
+- (enh #1091): Set default button type for close button markup template.
 - (enh #1090): Auto detect intelligently the preview type based on file content.
 - (enh #1087): Enhance SCSS/SASS styling configurations.
 - (enh #1086): New placeholder property and various caption rendering enhancements.

js/fileinput.js

@@ -4166,7 +4166,7 @@
         elPreviewImage: null,
         elPreviewStatus: null,
         elErrorContainer: null,
-        errorCloseButton: '<button class="close kv-error-close">&times;</button>',
+        errorCloseButton: '<button type="button" class="close kv-error-close">&times;</button>',
         slugCallback: null,
         dropZoneEnabled: true,
         dropZoneTitleClass: 'file-drop-zone-title',