FS: JFS: (trivial) Fix grammatical error in extAlloc

There is a grammatical error in one the commnents
in extAlloc function.

Signed-off-by: Immad Mir <[e-mail]>
Signed-off-by: Dave Kleikamp <[e-mail]>

fs/jfs/jfs_extent.c

···
 	/*
 	 * COMMIT_SyncList flags an anonymous tlock on page that is on
 	 * sync list.
-	 * We need to commit the inode to get the page written disk.
+	 * We need to commit the inode to get the page written to the disk.
 	 */
 	if (test_and_clear_cflag(COMMIT_Synclist,ip))
 		jfs_commit_inode(ip, 0);