Fix compiler warning by eliminating the need for a cast.

git-svn-id: http://svn.asterisk.org/svn/asterisk/trunk@382203 f38db490-d61c-443f-a65b-d21fe96a405b
More places to eliminate the cast to argv but were not giving warnings.

git-svn-id: http://svn.asterisk.org/svn/asterisk/trunk@382204 f38db490-d61c-443f-a65b-d21fe96a405b