block: change block-job-set-speed argument from 'value' to 'speed'

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
diff --git a/hmp-commands.hx b/hmp-commands.hx
index 461fa59..8a929f0 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -85,8 +85,8 @@
 
     {
         .name       = "block_job_set_speed",
-        .args_type  = "device:B,value:o",
-        .params     = "device value",
+        .args_type  = "device:B,speed:o",
+        .params     = "device speed",
         .help       = "set maximum speed for a background block operation",
         .mhandler.cmd = hmp_block_job_set_speed,
     },