Misc (re #1751): fixed problem in r4852 which caused sound not to be opened

git-svn-id: http://svn.pjsip.org/repos/pjproject@4857 74dad513-b988-da41-8d7b-12977e46ad98
Misc (re #1751): fixed error when retrieving SSL error. Thanks Vittorio Giovara for the patch

git-svn-id: http://svn.pjsip.org/repos/pjproject@4858 74dad513-b988-da41-8d7b-12977e46ad98