qapi: Change back sector-count to sectors-count in quorum QAPI events.

fe069d9d had aligned code and documentation while dropping the s from the
actual JSON output. Fix that.

This also fix test/qemu-iotest/081 since the missing s was causing a permutation.
Signed-off-by: NBenoit Canet <benoit@irqsave.net>
Reviewed-by: NEric Blake <eblake@redhat.com>
Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>

docs/qmp/qmp-events.txt

@@ -250,14 +250,14 @@ Emitted by the Quorum block driver if it fails to establish a quorum.
 
 Data:
 
-- "reference":    device name if defined else node name.
-- "sector-num":   Number of the first sector of the failed read operation.
-- "sector-count": Failed read operation sector count.
+- "reference":     device name if defined else node name.
+- "sector-num":    Number of the first sector of the failed read operation.
+- "sectors-count": Failed read operation sector count.
 
 Example:
 
 { "event": "QUORUM_FAILURE",
-     "data": { "reference": "usr1", "sector-num": 345435, "sector-count": 5 },
+     "data": { "reference": "usr1", "sector-num": 345435, "sectors-count": 5 },
      "timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
 
 QUORUM_REPORT_BAD
@@ -267,19 +267,19 @@ Emitted to report a corruption of a Quorum file.
 
 Data:
 
-- "error":        Error message (json-string, optional)
-                  Only present on failure.  This field contains a human-readable
-                  error message.  There are no semantics other than that the
-                  block layer reported an error and clients should not try to
-                  interpret the error string.
-- "node-name":    The graph node name of the block driver state.
-- "sector-num":   Number of the first sector of the failed read operation.
-- "sector-count": Failed read operation sector count.
+- "error":         Error message (json-string, optional)
+                   Only present on failure.  This field contains a human-readable
+                   error message.  There are no semantics other than that the
+                   block layer reported an error and clients should not try to
+                   interpret the error string.
+- "node-name":     The graph node name of the block driver state.
+- "sector-num":    Number of the first sector of the failed read operation.
+- "sectors-count": Failed read operation sector count.
 
 Example:
 
 { "event": "QUORUM_REPORT_BAD",
-     "data": { "node-name": "1.raw", "sector-num": 345435, "sector-count": 5 },
+     "data": { "node-name": "1.raw", "sector-num": 345435, "sectors-count": 5 },
      "timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
 
 RESET

qapi/event.json

@@ -288,12 +288,12 @@
 #
 # @sector-num: number of the first sector of the failed read operation
 #
-# @sector-count: failed read operation sector count
+# @sectors-count: failed read operation sector count
 #
 # Since: 2.0
 ##
 { 'event': 'QUORUM_FAILURE',
-  'data': { 'reference': 'str', 'sector-num': 'int', 'sector-count': 'int' } }
+  'data': { 'reference': 'str', 'sector-num': 'int', 'sectors-count': 'int' } }
 
 ##
 # @QUORUM_REPORT_BAD
@@ -309,13 +309,13 @@
 #
 # @sector-num: number of the first sector of the failed read operation
 #
-# @sector-count: failed read operation sector count
+# @sectors-count: failed read operation sector count
 #
 # Since: 2.0
 ##
 { 'event': 'QUORUM_REPORT_BAD',
   'data': { '*error': 'str', 'node-name': 'str',
-            'sector-num': 'int', 'sector-count': 'int' } }
+            'sector-num': 'int', 'sectors-count': 'int' } }
 
 ##
 # @VSERPORT_CHANGE