2 files changed, 3 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index a9d7257be38..15916fae821 100644
--- a/src/ChangeLog
+++ b/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.
 
diff --git a/src/w32fns.c b/src/w32fns.c
index 99ed3870147..bc088a3d4f5 100644
--- a/src/w32fns.c
+++ b/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"