[PATCH libXaw] Define PAGE_SIZE as USN_PAGE_SIZE on Windows

[James R Larrowe]

Take no action on Cygwin.

Signed-off-by: James R Larrowe <larrowe.semaj11 at gmail.com>
---
 src/OS.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/OS.c b/src/OS.c
index 4c69005..bd633c3 100644
--- a/src/OS.c
+++ b/src/OS.c
@@ -17,6 +17,12 @@
 #define HAS_SC_PAGESIZE	/* _SC_PAGESIZE may be an enum for Linux */
 #endif
 
+#if defined(_WIN32) && !defined(__CYGWIN__)
+# include <X11/Xwindows.h>
+# define PAGE_SIZE USN_PAGE_SIZE
+# undef HAVE_GETPAGESIZE
+#endif
+
 int
 _XawGetPageSize(void)
 {
-- 
2.11.0