lib/44074: libnetpgp: fix the autodetection of armoured messages

[roam%ringlet.net@localhost]

>Number:         44074
>Category:       lib
>Synopsis:       libnetpgp: fix the autodetection of armoured messages
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    lib-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Nov 09 19:05:00 +0000 2010
>Originator:     Peter Pentchev
>Release:        
>Organization:
>Environment:
>Description:
netpgp may be passed a clearsigned message, not just a detached signature, for 
verification.
Also, the armour starting line does not necessary end in \r\n.
>How-To-Repeat:

>Fix:
Apply the patch at:
http://devel.ringlet.net/security/netpgp/patches/11-autodetect-armour.patch

...in a perfect world, those strings would be synced with the header lines' 
array in reader.c, but oh well :)