Fixed wine_ldt_copy importing on cygwin.

include/wine/library.h

@@ -72,7 +72,17 @@ extern void wine_ldt_get_entry( unsigned short sel, LDT_ENTRY *entry );
 extern int wine_ldt_set_entry( unsigned short sel, const LDT_ENTRY *entry );
 
 /* the local copy of the LDT */
-extern struct __wine_ldt_copy
+#ifdef __CYGWIN__
+# ifdef WINE_EXPORT_LDT_COPY
+#  define WINE_LDT_EXTERN __declspec(dllexport)
+# else
+#  define WINE_LDT_EXTERN __declspec(dllimport)
+# endif
+#else
+# define WINE_LDT_EXTERN extern
+#endif
+
+WINE_LDT_EXTERN struct __wine_ldt_copy
 {
     void         *base[8192];  /* base address or 0 if entry is free   */
     unsigned long limit[8192]; /* limit in bytes or 0 if entry is free */

library/ldt.c

@@ -28,6 +28,7 @@
 #include <errno.h>
 
 #include "winbase.h"
+#define WINE_EXPORT_LDT_COPY
 #include "wine/library.h"
 
 #ifdef __i386__