Some buggy compilers (noteably on 32 bit platforms) cannot deal with

"register" in combination with "long long" types. Drop the register
attribute in these cases.

Reviewed by: Greg Stein, Roy T. Fielding


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@83867 13f79535-47bb-0310-9956-ffa450edef68