In getaddrinfo emulation, only check the socket type (SOCK_STREAM or SOCK_DGRAM)

if a service name has been specified. This should allow the emulation to work
with raw sockets.


[SVN r58650]

libs/asio

@@ -1 +1 @@
-Subproject commit c2f12c99e0654ef2a09e125f0d71979453f98b2e
+Subproject commit 51b0750d54bf9280ae7ca099641b8198e17bb00a