Fix missing includes in posix threading

src/os/OS.h

@@ -26,9 +26,9 @@ OTHER DEALINGS IN THE SOFTWARE.
 
 #pragma once
 
-#include "Config.h"
-#include "List.h"
 #include <cstdarg>
+
+#include "Config.h"
 #include "Types.h"
 
 namespace crown

src/os/posix/Cond.cpp

@@ -24,6 +24,8 @@ FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 OTHER DEALINGS IN THE SOFTWARE.
 */
 
+#include <string.h>
+
 #include "Cond.h"
 
 namespace crown

src/os/posix/Mutex.cpp

@@ -24,6 +24,8 @@ FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 OTHER DEALINGS IN THE SOFTWARE.
 */
 
+#include <string.h>
+
 #include "Mutex.h"
 
 namespace crown

src/os/posix/Thread.cpp

@@ -24,8 +24,10 @@ FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 OTHER DEALINGS IN THE SOFTWARE.
 */
 
-#include "Thread.h"
 #include <stdlib.h>
+#include <string.h>
+
+#include "Thread.h"
 
 namespace crown
 {