Fixed psmisc to cross-compile

While cross-compiling configure cannot detect a GNU libc compatible malloc
or realloc so we have to help by tweaking through config.cache.

base/psmisc/psmisc.conf

@@ -0,0 +1,20 @@
+# --- SDE-COPYRIGHT-NOTE-BEGIN ---
+# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
+# 
+# Filename: package/.../psmisc/psmisc.conf
+# Copyright (C) 2008 The OpenSDE Project
+# 
+# More information can be found in the files COPYING and README.
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License. A copy of the
+# GNU General Public License can be found in the file COPYING.
+# --- SDE-COPYRIGHT-NOTE-END ---
+
+# while cross-compiling configure cannot detect a GNU libc compatible malloc
+# or realloc
+if ! atstage native ; then
+	var_append configcache ' ' "ac_cv_func_malloc_0_nonnull=yes"
+	var_append configcache ' ' "ac_cv_func_realloc_0_nonnull=yes"
+fi