add missing fix of meta reading into build.

Author: liuwenchao

dist/aha-table.html

@@ -769,9 +769,10 @@
 			searchplaceholder: undefined,
 			ready: function() {
 				if (this.dataset.choices) {
-					JSON.parse(this.dataset.choices).forEach(function(option) {
+					var choices = JSON.parse(this.dataset.choices);
+					for(option in choices) {
 						this.options.push({'value': option, 'label': choices[option]});
-					}, this);
+					}
 				}
 			}
 		});