adfs: work around bogus sparse warning

fs/adfs/dir_f.c:126:4: warning: do-while statement is not a compound statement
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/adfs/dir_f.c

@@ -122,9 +122,9 @@ adfs_dir_checkbyte(const struct adfs_dir *dir)
 		ptr.ptr8 = bufoff(bh, i);
 		end.ptr8 = ptr.ptr8 + last - i;
 
-		do
+		do {
 			dircheck = *ptr.ptr8++ ^ ror13(dircheck);
-		while (ptr.ptr8 < end.ptr8);
+		} while (ptr.ptr8 < end.ptr8);
 	}
 
 	/*