Fix regression.
removed the #include <stdbool.h> line from types.h but added it back.
@@ -30,7 +30,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef YR_TYPES_H
#define YR_TYPES_H
-#include <stdbool.h>
#include <yara/arena.h>
#include <yara/bitmask.h>
#include <yara/hash.h>
