apatch/create: don't call cpfile on directories.

Now fixed after rereading test(1).
(How did I get that wrong?)

I'm not sure how create:162 should be formatted.

Notes:
i hope i didn't overstep by doing this a different way -- changing the flags to find.

Reference: /n/atom/patch/sorry/apatch-recursdir-again
Date: Fri Feb 21 19:52:32 CET 2014
Signed-off-by: root@davidrhoskin.com
Reviewed-by: quanstro

--- /rc/bin/apatch/create	Fri Feb 21 19:48:59 2014
+++ /rc/bin/apatch/create	Fri Feb 21 19:49:01 2014
@@ -158,8 +158,8 @@
 	file=$uniqlist(1)
 	base=$uniqlist(2)
 	uniqlist = $uniqlist(3-)
-	test -e $SD/$file && cpfile $SD/$file $d/$base.orig
-	cpfile $file $d/$base	|| fail cpfile # we need to back out
+	test -f $SD/$file && cpfile $SD/$file $d/$base.orig
+	test -f $file && { cpfile $file $d/$base	|| fail cpfile } # we need to back out
 
 }