[Pidgin] #15458: Avoid duplicate MUC history messages

[Pidgin]

#15458: Avoid duplicate MUC history messages
---------------------------------+---------------------------
 Reporter:  Kha                  |       Owner:
     Type:  patch                |      Status:  closed
Milestone:  3.0.0                |   Component:  pidgin (gtk)
  Version:                       |  Resolution:  fixed
 Keywords:  muc history backlog  |
---------------------------------+---------------------------
Changes (by tomkiewicz):

 * status:  new => closed
 * resolution:   => fixed
 * milestone:  Patches Needing Review => 3.0.0


Comment:

 OK, it seems to be ready to ship.

 Can you give me the name you want me to credit for this patch?

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Ticket URL: <https://developer.pidgin.im/ticket/15458#comment:3>
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