Add missing dllexport/dllimport.

[SVN r24974]

v2/test/railsys/libx/include/libx/test_libx.h

@@ -7,6 +7,13 @@
 // software is provided "as is" without express or implied warranty, and
 // with no claim as to its suitability for any purpose.
 
+#ifdef _WIN32
+#ifdef LIBX_SOURCE
+__declspec(dllexport)
+#else
+__declspec(dllimport)
+#endif
+#endif
 class TestLibX
 {
 public:

v2/test/railsys/libx/src/test_libx.cpp

@@ -8,6 +8,7 @@
 // with no claim as to its suitability for any purpose.
 
 
+#define LIBX_SOURCE
 #include <libx/test_libx.h>
 
 TestLibX::TestLibX()