e2fsprogs: fixed to build on idunn (uClibc based target)

pkg_e2fsprogs.conf

@@ -0,0 +1,21 @@
+# --- SDE-COPYRIGHT-NOTE-BEGIN ---
+# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
+#
+# Filename: target/idunn/pkg_e2fsprogs.conf
+# Copyright (C) 2014 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 ---
+
+. $confdir/$pkg.conf
+
+# on uClibc based systems new defrag cannot be built
+# due to missing or ill fallocate and fallocate64
+
+var_append extraconfopt ' ' "--disable-defrag"
+