Re-add -I../.. for fmgr.h

Marc G. Fournier <scrappy@hub.org>

Commit: 1c3a7767ca9319298ac996f0eab8970e0893dd4d
Author: Marc G. Fournier <scrappy@hub.org>
Date: 1996-11-05T07:42:46Z
Releases: 7.1.1
Re-add -I../.. for fmgr.h

Change #include "" to #include <>

Remove a few unused #includes

Make sure it compiles with -Wall -Werror

Files