BUG #13928: Initdb.bat will not install if path has a space.

The following bug has been logged on the website:

Bug reference:      13928
Logged by:          Jeff Osborn
Email address:      jeffrey.osborn@am.sony.com
PostgreSQL version: 9.5.0
Operating system:   Windows Server 2012 64-bit
Description:

When trying to run the initdb.bat file that resides with a path that has a
space in the folder name the install will fail.  For example if the path is
C:\Program Files\Postgres that the initdb.bat file is run from it will fail.
 This occurs on version 9.4.5-1 as well as v.9.5.0-1.