[PATCH libXaw] Add definition of getpagesize(), missing on Windows.

[James R Larrowe]

Fix build with --enable-selective-werror.

Signed-off-by: James R Larrowe <larrowe.semaj11 at gmail.com>
---
 src/OS.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/OS.c b/src/OS.c
index 4c69005..cd0c517 100644
--- a/src/OS.c
+++ b/src/OS.c
@@ -37,6 +37,9 @@ _XawGetPageSize(void)
 #endif
 
 #ifdef HAVE_GETPAGESIZE
+# if defined(_WIN32)
+extern int getpagesize(void);
+# endif
     if (pagesize == -1)
 	pagesize = getpagesize();
 #endif
-- 
2.11.0