Edit R2S Flasher ROM Page

luci-app-r2sflasher/luasrc/view/r2sflasher/rom.htm

 <%+cbi/valueheader%>
 	<label class="cbi-value" style="display:inline-block; width: 130px" for="keep_config"><%:Keep Configs%></label>
-	<input class="cbi-input-file" style="width: 40px" type="checkbox" id="keep_config" name="keep_config" checked />
+	<input class="cbi-input-checkbox" type="checkbox" id="keep_config" name="keep_config" checked />
 	<div class="cbi-value-description"><span class="cbi-value-helpicon"><img src="/luci-static/resources/cbi/help.gif"/></span> <%:compatibility needs to be checked%></div>
 <%+cbi/valuefooter%>