pop3: Updated do phrase clean-up comment

Following commit 65644b833532 for the IMAP module updated the clean-up
comment in POP3.

diff --git a/lib/pop3.c b/lib/pop3.c
index c18e7528c7df5f83456c9a1ebd332dcbfa3c2641..11e13d42755fed0ce065f31ec43a357e46729587 100644 (file)
--- a/lib/pop3.c
+++ b/lib/pop3.c
@@ -1397,7 +1397,7 @@ static CURLcode pop3_done(struct connectdata *conn, CURLcode status,
     result = status;         /* use the already set error code */
   }
 
-  /* Cleanup our do based variables */
+  /* Cleanup our per-request based variables */
   Curl_safefree(pop3c->mailbox);
   Curl_safefree(pop3c->custom);