Fix rc not to bus error on Mac OS X.
Don't print about child notes either.
diff --git a/src/cmd/rc/plan9ish.c b/src/cmd/rc/plan9ish.c
index abb66cc..6e9d59f 100644
--- a/src/cmd/rc/plan9ish.c
+++ b/src/cmd/rc/plan9ish.c
@@ -400,8 +400,8 @@
 			if(strncmp(s, "sys: ", 5)!=0) interrupted=1;
 			goto Out;
 		}
-
-	pfmt(err, "rc: note: %s\n", s);
+	if(strcmp(s, "sys: child") != 0)
+		pfmt(err, "rc: note: %s\n", s);
 	noted(NDFLT);
 	return;
 Out: