Fix pg_upgrade test on Cygwin
The verification of permissions doesn't succeed on Cygwin, because the
required feature is not implemented for Cygwin at the moment. So skip
this part of the test, like MinGW already does.
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/38c9a5938ac5e1409b42677fee970a12632852ee
Modified Files
--------------
src/bin/pg_upgrade/test.sh | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)