update swig on windows

winx64/bin/swigwin-4.0.0/Examples/lua/embed2/Makefile

@@ -0,0 +1,22 @@
+TOP        = ../..
+SWIGEXE    = $(TOP)/../swig
+SWIG_LIB_DIR = $(TOP)/../$(TOP_BUILDDIR_TO_TOP_SRCDIR)Lib
+TARGET     = embed2
+SRCS       = example.c
+INTERFACE  = example.i
+LUA_INTERP = embed2.c
+LIBS       = -lm
+
+# this is a little different to normal as we have our own special interpreter
+# which we want to static link
+check: build
+	$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' TARGET='$(TARGET)' lua_embed_run
+
+build:
+	$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' $(SWIGLIB) SRCS='$(SRCS)' \
+	SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' LIBS='$(LIBS)' INTERFACE='example.i' LUA_INTERP='$(LUA_INTERP)' lua_static
+
+clean:
+	$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' lua_clean
+	rm -f $(TARGET)