Make the about dialog into a singleton

Review Request #1170 — Created Dec. 10, 2021 and submitted

grim
pidgin/pidgin
default
pidgin

Make the about dialog into a singleton

Opened the about dialog twice, made sure there was only one window. Closed the window, reopened and made sure it opened properly.

Summary
Make the about dialog a singleton
grim
QuLogic
QuLogic
  1. Ship It!
  2. 
      
grim
Review request changed

Status: Closed (submitted)

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