added math.h include.

diff --git a/lib/rfxswf.h b/lib/rfxswf.h
index 4e2fa40..23bd0e1 100644 (file)
--- a/lib/rfxswf.h
+++ b/lib/rfxswf.h
@@ -30,6 +30,7 @@ extern "C" {
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <math.h>
 #include <string.h>
 #include <unistd.h>
 #include <fcntl.h>