Search for bzrtp when searching for mediastreamer2 with CMake if needed.

cmake/Mediastreamer2Config.cmake.in

@@ -30,10 +30,17 @@
 
 include("${CMAKE_CURRENT_LIST_DIR}/Mediastreamer2Targets.cmake")
 find_package(ORTP REQUIRED)
+if(@ENABLE_ZRTP@)
+	find_package(BZRTP)
+endif()
 
 get_filename_component(MEDIASTREAMER2_CMAKE_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
 set(MEDIASTREAMER2_INCLUDE_DIRS "${MEDIASTREAMER2_CMAKE_DIR}/../../../include")
 set(MEDIASTREAMER2_LIBRARIES BelledonneCommunications::mediastreamer_base BelledonneCommunications::mediastreamer_voip)
 list(APPEND MEDIASTREAMER2_INCLUDE_DIRS ${ORTP_INCLUDE_DIRS})
 list(APPEND MEDIASTREAMER2_LIBRARIES ${ORTP_LIBRARIES})
+if(BZRTP_FOUND)
+	list(APPEND MEDIASTREAMER2_INCLUDE_DIRS ${BZRTP_INCLUDE_DIRS})
+	list(APPEND MEDIASTREAMER2_LIBRARIES ${BZRTP_LIBRARIES})
+endif()
 set(MEDIASTREAMER2_FOUND 1)