- Make local functions static.
- Forward declaration of register functions.

svn path=/trunk/; revision=53821
Add STR_ASCII, STR_UNICODE as possible displays for field_display_e

svn path=/trunk/; revision=53822
gadu-gadu: use STR_UNICODE display instead of proto_tree_add_unicode_string().

svn path=/trunk/; revision=53823
From Mathias Guettler via https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9523 :
Fix ISO 10747 (IDRP) incorrect handling of data in IDRP ERROR PDU's

svn path=/trunk/; revision=53824
From Peter Lemenkov via https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9524 :
Fix typo in erldp dissector

svn path=/trunk/; revision=53825
Add string encoding for ISO/IEC 8859-2 (ENC_ISO_8859_2)

svn path=/trunk/; revision=53826
Drop proto_tree_add_unicode_string() from IP, IPv6, JSON dissectors.

Set .display to STR_UNICODE (instead of STR_ASCII).

svn path=/trunk/; revision=53827