include math.h

src/ChangeLog

@@ -1,6 +1,7 @@
 2007-10-22  Jason Rumney  <jasonr@gnu.org>
 
-	* w32fns.c (w32_abort): Declaration moved to nt/config.nt.
+	* w32fns.c: Include math.h.
+	(w32_abort): Declaration moved to nt/config.nt.
 	* s/ms-w32.h (HAVE_STDLIB_H): Define.
 	(abort): Redefinition moved to nt/config.nt.
 

src/w32fns.c

@@ -27,6 +27,7 @@ Boston, MA 02110-1301, USA.  */
 #include <stdio.h>
 #include <limits.h>
 #include <errno.h>
+#include <math.h>
 
 #include "lisp.h"
 #include "charset.h"