fixed under freebsd and clang
diff --git a/skeletons/converter-sample.c b/skeletons/converter-sample.c
index 178264e..a8fe1b4 100644
--- a/skeletons/converter-sample.c
+++ b/skeletons/converter-sample.c
@@ -67,7 +67,7 @@
 #endif
 
 /* Debug output function */
-static inline void
+static void
 DEBUG(const char *fmt, ...) {
     va_list ap;
     if(!opt_debug) return;