Tweak paths to suit debian policy

--- a/Imakefile
+++ b/Imakefile
@@ -23,8 +23,8 @@
 CLASS		= SshAskpass
 
 XCOMM -------- configurable settings --------
-BINDIR		= /usr/local/libexec
-MANPATH		= /usr/local/man
+BINDIR		= /usr/lib/ssh
+MANPATH		= /usr/share/man
 MANDIR		= $(MANPATH)/man1
 APPDEFDIR	= $(XAPPLOADDIR)
 APP_DEFAULTS	= SshAskpass-default.ad
--- a/x11-ssh-askpass.man.in
+++ b/x11-ssh-askpass.man.in
@@ -276,8 +276,8 @@
 the font to use for this button label.
 .El
 .Sh FILES
-.Bl -tag -width "/usr/X11R6/lib/X11/app-defaults/SshAskpass" -compact
-.It Pa /usr/X11R6/lib/X11/app-defaults/SshAskpass
+.Bl -tag -width "/etc/X11/app-defaults/SshAskpass" -compact
+.It Pa /etc/X11/app-defaults/SshAskpass
 .El
 .Sh SEE ALSO
 .Xr X 1 ,
