hs_dos.c: rewrite a comment not to say "fallthrough"

There's nothing wrong with the comment, but the script I'm about to
apply wouldn't like it.

diff --git a/src/feature/hs/hs_dos.c b/src/feature/hs/hs_dos.c
index b64ab0a1c3f78d588260dfdd07b7ba804689e77e..1f7415a280c0c2027cb26d487adcf06d0055f2de 100644 (file)
--- a/src/feature/hs/hs_dos.c
+++ b/src/feature/hs/hs_dos.c
@@ -196,7 +196,9 @@ hs_dos_can_send_intro2(or_circuit_t *s_intro_circ)
     goto allow;
   }
 
-  /* Fallthrough is to disallow since this means the bucket has reached 0. */
+  /* If we reach this point, then it means the bucket has reached zero, and
+     we're going to disallow. */
+
  disallow:
   /* Increment stats counter, we are rejecting the INTRO2 cell. */
   intro2_rejected_count++;