make sure to install psh in /$objtype/bin/ape.
i noticed that psh wasn't in the arm directory after
compiling arm for the kw kernel.

Notes:
Tue Nov 24 18:34:00 EST 2009 geoff
    done a little differently so that 'mk all' will work
    without complaint.


Reference: /n/sources/patch/applied/apepsh
Date: Sun Nov 22 22:53:31 CET 2009
Signed-off-by: quanstro@quanstro.net
Reviewed-by: geoff

--- /sys/src/ape/cmd/psh.rc	Thu Jan  1 00:00:00 1970
+++ /sys/src/ape/cmd/psh.rc	Sun Nov 22 22:52:43 2009
@@ -0,0 +1,2 @@
+#!/bin/rc
+exec /rc/bin/ape/psh $*
--- /sys/src/ape/cmd/mkfile	Sun Nov 22 22:52:46 2009
+++ /sys/src/ape/cmd/mkfile	Sun Nov 22 22:52:44 2009
@@ -5,6 +5,7 @@
 	cc\
 	dirname\
 	kill\
+	psh\
 	uname
 
 DIRS=\
@@ -49,3 +50,6 @@
 
 $O.cc: cc.$O
 	mk -f /sys/src/cmd/mkfile $O.cc
+
+$BIN/%:	%.rc
+	cp $stem.rc $BIN/$stem