fsck.h: *.txt -> *.adoc fixes

Signed-off-by: Todd Zullinger <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: tmzullinger

fsck.h

@@ -15,7 +15,7 @@ enum fsck_msg_type {
 };
 
 /*
- * Documentation/fsck-msgids.txt documents these; when
+ * Documentation/fsck-msgids.adoc documents these; when
  * modifying this list in any way, make sure to keep the
  * two in sync.
  */