add /sys/arch to $cdpath so "cd i386" etc. works

src/etc/root/dot.cshrc

@@ -4,7 +4,7 @@ set history=1000
 set path=(/sbin /usr/sbin /bin /usr/bin)
 
 # directory stuff: cdpath/cd/back
-set cdpath=(/sys /usr/src/{bin,sbin,usr.{bin,sbin},pgrm,lib,libexec,share,contrib,local,devel,games,old,gnu,gnu/{lib,usr.bin,libexec}})
+set cdpath=(/sys /sys/arch /usr/src/{bin,sbin,usr.{bin,sbin},pgrm,lib,libexec,share,contrib,local,devel,games,old,gnu,gnu/{lib,usr.bin,libexec}})
 
 setenv BLOCKSIZE 1k