simplify definition of sqrthalf and capitalize it.

[paraslash.git] / wav_filter.c

diff --git a/wav_filter.c b/wav_filter.c
index 1c0da1811847e958cdde408ba277edce20701c42..3c69311f570209cec4bed6abe27036d6d5754853 100644 (file)
--- a/wav_filter.c
+++ b/wav_filter.c
@@ -6,9 +6,10 @@
 
 /** \file wav_filter.c A filter that inserts a wave header. */
 
+#include <regex.h>
+
 #include "para.h"
 #include "error.h"
-
 #include "list.h"
 #include "sched.h"
 #include "ggo.h"