add openssl for cmake.

 cmake_minimum_required(VERSION 2.6.4)
 project(srs CXX)
 
-INCLUDE_DIRECTORIES(objs objs/st objs/hp src/core src/kernel src/rtmp src/app)
+INCLUDE_DIRECTORIES(objs objs/st objs/hp objs/openssl src/core src/kernel src/rtmp src/app)
 
 set(SOURCE_FILES src/main/srs_main_server.cpp)
 AUX_SOURCE_DIRECTORY(src/core SOURCE_FILES)

@@ -38,7 +38,6 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <srs_app_server.hpp>
 #include <srs_app_config.hpp>
 #include <srs_app_log.hpp>
-#include <srs_app_utility.hpp>
 #include <srs_kernel_utility.hpp>
 
 // pre-declare