master updated (43ee6f291d -> f755daafb9)

[F. Jason Park]

jpneverwas pushed a change to branch master.

      from  43ee6f291d Ignore drag source frame on Haiku in line with 
documentation
       new  17bd063a67 Add unit test for erc--switch-to-buffer
       new  f755daafb9 Remove redundant checks in erc--switch-to-buffer


Summary of changes:
 lisp/erc/erc.el            |  7 +-----
 test/lisp/erc/erc-tests.el | 57 +++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 57 insertions(+), 7 deletions(-)