dc/hbj11/flasher: fix build

Change-Id: Ic59ad67ab0cf1a5a1c5c83a03936868ad3c89c2f
diff --git a/dc/hbj11/flasher/bluepill/src/i2c.rs b/dc/hbj11/flasher/bluepill/src/i2c.rs
index 35f52d6..c66a133 100644
--- a/dc/hbj11/flasher/bluepill/src/i2c.rs
+++ b/dc/hbj11/flasher/bluepill/src/i2c.rs
@@ -157,7 +157,7 @@
 impl<'a, B: UsbBus, LED: OutputPin> UsbClass<B> for I2CClass<'a, B, LED> {
     fn reset(&mut self) {
         self.expect_bulk_out = false;
-        self.status = Status::OK,
+        self.status = Status::OK;
     }
 
     fn control_in(&mut self, xfer: ControlIn<B>) {