vmdk: Fix comment to match code of extent lines

commit 04d542c (vmdk: support vmfs files) added support of VMFS extent
type but the comment above the changed code is left out. Update the
comment so they are consistent.

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Don Koch <dkoch@verizon.com>
Message-id: 1417649314-13704-3-git-send-email-famz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

block/vmdk.c

@@ -785,10 +785,12 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs,
     VmdkExtent *extent;
 
     while (*p) {
-        /* parse extent line:
+        /* parse extent line in one of below formats:
+         *
          * RW [size in sectors] FLAT "file-name.vmdk" OFFSET
-         * or
          * RW [size in sectors] SPARSE "file-name.vmdk"
+         * RW [size in sectors] VMFS "file-name.vmdk"
+         * RW [size in sectors] VMFSSPARSE "file-name.vmdk"
          */
         flat_offset = -1;
         ret = sscanf(p, "%10s %" SCNd64 " %10s \"%511[^\n\r\"]\" %" SCNd64,