remove trailing

android/src/main/kotlin/com/jarvan/fluwx/handlers/FluwxRequestHandler.kt

@@ -57,7 +57,7 @@ object FluwxRequestHandler {
 
     private fun handleWXShowMessageFromWX(req: ShowMessageFromWX.Req) {
         val result = mapOf(
-                "extMsg" to req.message.messageExt,
+                "extMsg" to req.message.messageExt
         )
         channel?.invokeMethod("onWXShowMessageFromWX", result)
     }