gentoo-overlay/app-emulation/free42/files/free42-1.4.75-fix-alsa.patch

diff -Nur a/gtk/audio_alsa.cc b/gtk/audio_alsa.cc
--- a/gtk/audio_alsa.cc	2012-10-27 21:14:48.000000000 +0200
+++ b/gtk/audio_alsa.cc	2012-11-11 20:26:28.779917284 +0100
@@ -23,6 +23,7 @@
 #include <sys/time.h>
 #include <pthread.h>
 #include <dlfcn.h>
+#include <math.h>
 
 // We want to be able to run even if libasound is not present, so we have to
 // link it manually using dlopen() and dlsym(). These are the functions we are