export wxInvalidSize from DLL builds (patch 1805738)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@49258 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/filename.h

@@ -87,7 +87,7 @@ enum
 
 #if wxUSE_LONGLONG
 // error code of wxFileName::GetSize()
-extern wxULongLong wxInvalidSize;
+extern WXDLLIMPEXP_DATA_BASE(const wxULongLong) wxInvalidSize;
 #endif // wxUSE_LONGLONG
 
 

samples/console/console.cpp

@@ -4215,6 +4215,7 @@ static void TestSemaphore()
     #include "wx/snglinst.h"
 #endif // TEST_SNGLINST
 
+#include "wx/filename.h"
 int main(int argc, char **argv)
 {
 #if wxUSE_UNICODE

src/common/filename.cpp

@@ -140,7 +140,7 @@
 
 
 #if wxUSE_LONGLONG
-wxULongLong wxInvalidSize = (unsigned)-1;
+extern const wxULongLong wxInvalidSize = (unsigned)-1;
 #endif // wxUSE_LONGLONG