Fix a seg fault in mod_userdir.c. We used to use the pw structure

without ever filling it out.

PR:	7271
Submitted by:	Taketo Kabe <kabe@sra-tohoku.co.jp> and Cliff Woolley <cliffwoolley@yahoo.com>]


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@88279 13f79535-47bb-0310-9956-ffa450edef68