pg_upgrade: use "" rather than '', for Windows
If we ever support unix sockets on Windows, we should use "" rather than
'' for zero-length strings on the command-line, so use that.
Branch
------
master
Details
-------
http://git.postgresql.org/pg/commitdiff/3132a9b7ab3d76c15f88cfa29792fd888e7a959e
Modified Files
--------------
contrib/pg_upgrade/server.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)