pgAdmin III commit: Do not unlock the mutex, which was not owned by the

Do not unlock the mutex, which was not owned by the thread, during
creating the popup menu.

Branch
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REL-1_20_0_PATCHES

Details
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http://git.postgresql.org/gitweb?p=pgadmin3.git;a=commitdiff;h=127b89c273c4588c5f49ffa8bccab730c76740a8
Author: Wander Nauta <info@wandernauta.nl>

Modified Files
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CHANGELOG              |    2 ++
pgadmin/frm/events.cpp |    7 +++----
2 files changed, 5 insertions(+), 4 deletions(-)