Fixed -Werror=strict-prototypes failure on s2n_error_location
@@ -58,7 +58,7 @@ extern __thread int s2n_errno;
* in runtimes where thread-local variables may not be easily accessible.
*/
S2N_API
-extern int *s2n_errno_location();
+extern int *s2n_errno_location(void);
typedef enum {
S2N_ERR_T_OK=0,
