Replace DL_IMPORT with PyMODINIT_FUNC and remove "/export:init..." link
command line for Windows builds. This should allow MSVC to import and
build the Python MSVC6 project files without error.
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index d5c925b..dee042b 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -530,7 +530,7 @@
static double defaulttimeout = -1.0; /* Default timeout for new sockets */
-static void
+PyMODINIT_FUNC
init_sockobject(PySocketSockObject *s,
SOCKET_T fd, int family, int type, int proto)
{