[axtls-general] typedef'ing "bool" is a nono

[Daniel S. <da...@ha...>]

Hi

axTLS adds a typedef for "bool" in its public headers. That's overreaching and 
a name space violation. You mustn't do that.

It causes a build failure when trying to build curl with axTLS 2.1.2:

  https://github.com/curl/curl/issues/1220

-- 

  / daniel.haxx.se