winlin

fix the build failed bug.

@@ -28,6 +28,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. @@ -28,6 +28,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 #include <ifaddrs.h> 28 #include <ifaddrs.h>
29 #include <arpa/inet.h> 29 #include <arpa/inet.h>
30 #include <signal.h> 30 #include <signal.h>
  31 +#include <wait.h>
31 32
32 #ifdef SRS_OSX 33 #ifdef SRS_OSX
33 #include <sys/sysctl.h> 34 #include <sys/sysctl.h>