Patch CVE-2014-7169

Patch-ID: bash41-013
Under certain circumstances, bash can incorrectly save a lookahead character and
return it on a subsequent call, even when reading a new line.

Change-Id: I29dcf444011f77e104b6a82e8cada731e3917646
ref: http://seclists.org/oss-sec/2014/q3/734
ref: http://seclists.org/oss-sec/2014/q3/685