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-rw-r--r--mixer/applet.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mixer/applet.c b/mixer/applet.c
index fdb191368..3ae1bff99 100644
--- a/mixer/applet.c
+++ b/mixer/applet.c
@@ -24,6 +24,8 @@
#include "config.h"
#endif
+/* this is for lrint */
+#define _ISOC99_SOURCE
#include <math.h>
#include <string.h>