debug app connection, 2

src/locsrv/main.go

@@ -68,7 +68,7 @@ func main() {
   }()
 
   router.POST("/location", func(c *gin.Context) {
-    err, data := c.GetRawData()
+    data, err := c.GetRawData()
     log.Printf("raw: %v, %s", err, string(data))
 
     var body locativeEvent