Created a separate static portability library and moved some of the
libwine routines in there.

diff --git a/Make.rules.in b/Make.rules.in
index 9e6488d..10e0f37 100644
--- a/Make.rules.in
+++ b/Make.rules.in
@@ -70,6 +70,7 @@
 WRCFLAGS     = -J -m $(EXTRAWRCFLAGS)
 LDPATH       = @LDPATH@
 DLLDIR       = $(TOPOBJDIR)/dlls
+LIBPORT      = -L$(TOPOBJDIR)/libs/port -lwine_port
 LIBWINE      = -L$(TOPOBJDIR)/library -lwine
 LIBUNICODE   = -L$(TOPOBJDIR)/unicode -lwine_unicode
 LIBUUID      = -L$(TOPOBJDIR)/ole -lwine_uuid