Use OSS on FreeBSD as well

-lossaudio is not needed on FreeBSD

CMakeLists.txt

@@ -101,10 +101,13 @@ endif()
 if (ENABLE_RTAUDIO)
 	add_definitions(-D__HAVE_RTAUDIO)
 
-	if (CMAKE_SYSTEM_NAME MATCHES "kNetBSD.*|NetBSD.*")
-		message(STATUS "NetBSD detected, using OSS")
+	if (CMAKE_SYSTEM_NAME MATCHES ".*BSD")
+		message(STATUS "*BSD detected, using OSS")
 		find_package(Threads REQUIRED CMAKE_THREAD_PREFER_PTHREAD)
-		list(APPEND OAML_LIBS ossaudio ${CMAKE_THREAD_LIBS_INIT})
+		if (CMAKE_SYSTEM_NAME MATCHES "kNetBSD|NetBSD")
+			list(APPEND OAML_LIBS ossaudio)
+		endif ()
+		list(APPEND OAML_LIBS ${CMAKE_THREAD_LIBS_INIT})
 		set(AUDIO_LINUX_OSS ON)
 	elseif (UNIX AND NOT APPLE)
 		find_library(PULSE_LIB pulse)