Fix some unused variable warnings.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/util.h b/src/util.h
index 56e649f..fbf0fa6 100644
--- a/src/util.h
+++ b/src/util.h
@@ -25,6 +25,8 @@
 #include <boost/shared_ptr.hpp>
 #include <string>
 
+#define LIBSUB_UNUSED(x) (void)(x)
+
 namespace sub {
 
 class Reader;