Removed duplicate check in random_seed test - bug #140
Fix build using MinGW.

MinGW requires wincrypt.h.
GCC does not support #pragma comment, which trips Werror.
Remove json_type enum trailing comma
improve doc for json_object_to_json_string()
Merge pull request #141 from AlexandruCostache/master

Removed duplicate check in random_seed test - bug #140
Merge pull request #150 from ams-cs/master

Fix build using MinGW.
Merge pull request #151 from mjchinn/json_type-comma

Remove json_type enum trailing comma
Merge pull request #153 from LeSpocky/doc

improve doc for json_object_to_json_string()