Fix msg init bug when pulling msg from the poo2

When reusing a message from the message pool the flags were
not being properly reset before the message was returned

Issue-ID: RIC-295

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: I5924e162ca9e1835807785e2401a871f1fcd36b2
3 files changed