pidgin/ljfisher-ssl-client-auth

Make the max size of incoming smileys a pref instead of harcoding it. Patch from Xinef (with small modifications) Refs #5231
VOID:POINTER,POINTER,OBJECT
BOOLEAN:OBJECT,POINTER,STRING
VOID:STRING,STRING
VOID:STRING,STRING,DOUBLE
VOID:ENUM,STRING,STRING
VOID:ENUM,STRING,STRING,BOOLEAN
VOID:FLAGS,FLAGS
VOID:STRING,STRING,OBJECT,OBJECT