bash: memleak bug fix for builtin command read
Built in command "read" with "-e" use Readline to obtain the line
in an interactive shell. In this process, a string "rlbuf" is
just allocated without free operation thus cause memory leak.
This patch had been submitted to upstream:
http://lists.gnu.org/archive/html/bug-bash/2017-02/msg00061.html
(From OE-Core rev:
a2b278a6eaa9e9b48d858e3be6712267c0122598)
Signed-off-by: Zhang Xiao <xiao.zhang@windriver.com>
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
fixup for 4.3
Signed-off-by: Armin Kuster <akuster808@gmail.com>