block/io_uring: Remove superfluous semicolon

Fixes: 6663a0a3376
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200218094402.26625-5-philmd@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/block/io_uring.c b/block/io_uring.c
index 56892fd..a3142ca 100644
--- a/block/io_uring.c
+++ b/block/io_uring.c
@@ -187,7 +187,7 @@
                     ret = 0;
                 }
             } else {
-                ret = -ENOSPC;;
+                ret = -ENOSPC;
             }
         }
 end: