winlin

fix bug #50, ubuntu14 build error

@@ -24,6 +24,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. @@ -24,6 +24,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 #include <srs_kernel_utility.hpp> 24 #include <srs_kernel_utility.hpp>
25 25
26 #include <sys/time.h> 26 #include <sys/time.h>
  27 +#include <unistd.h>
27 28
28 #include <srs_kernel_log.hpp> 29 #include <srs_kernel_log.hpp>
29 30