empathy-utils: add missing math.h include

diff --git a/libempathy/empathy-utils.c b/libempathy/empathy-utils.c
index c9eb5ca6f9b9a2d016fa1bc6f1390516723fcae9..55769ca40a9d7210f7413c585eadb524b2fd2258 100644 (file)
--- a/libempathy/empathy-utils.c
+++ b/libempathy/empathy-utils.c
@@ -31,6 +31,7 @@
 
 #include <glib/gi18n-lib.h>
 #include <dbus/dbus-protocol.h>
+#include <math.h>
 
 #include "empathy-client-factory.h"
 #include "empathy-presence-manager.h"