Correction of path format

Loadlib fix for recent Cygwin releases

Merge pull request LuaDist#5 from greg-a/master

fix error and mem leak found by cppcheck

[luadist-git] add lua-5.2.1-Debian-x86_64 [ci skip]

[luadist-git] add lua-5.1.5-Debian-x86_64 [ci skip]

[luadist-git] add lua-5.2.2-Darwin-x86_64 [ci skip]

[luadist-git] add lua-5.1.5-Debian-i686 [ci skip]

[luadist-git] add lua-5.1.5-Windows-x86

Fixed reference to rc file for wlua

[luadist-git] add lua-5.2.1-Darwin-x86_64