aspell: upgrade 0.60.8 -> 0.60.8.1

aspell: upgrade 0.60.8 -> 0.60.8.1

CVE-2019-25051.patch
removed since it's included in 0.60.8.1

Changelog:
============
-Fix memory leak in suggestion code introduced in 0.60.8.
-Various documentation fixes.
-Fix various warnings when compiling with -Wall.
-Fix two buffer overflows found by Google's OSS-Fuzz.
-Other minor updates.

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit ec3c8642f71b470936b6dd29331afa467ab865c7)
Signed-off-by: Steve Sakoman <steve@sakoman.com>