Upstream the rest of our local FreeBSD patching

FreeBSD/DragonflyBSD are also UNIX platforms, as far as trio is concerned, and
we don't need to be setting the CMAKE_INSTALL_RPATH on FreeBSD.

CMakeLists.txt

@@ -944,7 +944,9 @@ if (APPLE)
 	set(CMAKE_INSTALL_RPATH "@loader_path/../Frameworks")
 else (APPLE)
 	set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
-	set(CMAKE_INSTALL_RPATH "\$ORIGIN/../${CMAKE_INSTALL_LIBDIR}:\$ORIGIN/..")
+	if (NOT FREEBSD)
+		set(CMAKE_INSTALL_RPATH "\$ORIGIN/../${CMAKE_INSTALL_LIBDIR}:\$ORIGIN/..")
+	endif()
 endif(APPLE)
 
 if (BUILD_SHARED_LIBS)

winpr/libwinpr/utils/trio/triodef.h

@@ -88,7 +88,7 @@
 # endif
 #endif
 
-#if defined(__NetBSD__)
+#if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
 # define TRIO_PLATFORM_UNIX
 #endif