BIND 10 trac2387, updated. 09fff7c3f6d538b80e8a1760673bc4a3ac9f62d2 [2387] Add a code comment

[BIND 10 source code commits]

The branch, trac2387 has been updated
       via  09fff7c3f6d538b80e8a1760673bc4a3ac9f62d2 (commit)
      from  2045020b58739c4f1ba8c6d39ca118513f8b2e35 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit 09fff7c3f6d538b80e8a1760673bc4a3ac9f62d2
Author: Mukund Sivaraman <muks at isc.org>
Date:   Mon Mar 25 15:49:44 2013 +0530

    [2387] Add a code comment

-----------------------------------------------------------------------

Summary of changes:
 src/lib/dns/rdata/generic/dnskey_48.cc |    2 ++
 1 file changed, 2 insertions(+)

-----------------------------------------------------------------------
diff --git a/src/lib/dns/rdata/generic/dnskey_48.cc b/src/lib/dns/rdata/generic/dnskey_48.cc
index 7e2faa0..d1620fb 100644
--- a/src/lib/dns/rdata/generic/dnskey_48.cc
+++ b/src/lib/dns/rdata/generic/dnskey_48.cc
@@ -178,6 +178,8 @@ DNSKEY::constructFromLexer(MasterLexer& lexer) {
 
     lexer.ungetToken();
 
+    // Check that some key data was read before end of input was
+    // reached.
     if (keydatastr.size() == 0) {
         isc_throw(InvalidRdataText, "Missing DNSKEY digest");
     }