mod_ssl: Check SSL_CTX_new() return value

SSL_CTX_new() will return NULL if there was an error creating a new SSL context.

Submitted by: StephenWall
Github: closes #402


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1916054 13f79535-47bb-0310-9956-ffa450edef68
1 file changed