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-rw-r--r--src/FilterRegistry.hxx3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/FilterRegistry.hxx b/src/FilterRegistry.hxx
index c21d8a597..286420f92 100644
--- a/src/FilterRegistry.hxx
+++ b/src/FilterRegistry.hxx
@@ -26,6 +26,8 @@
#ifndef MPD_FILTER_REGISTRY_HXX
#define MPD_FILTER_REGISTRY_HXX
+#include "Compiler.h"
+
extern const struct filter_plugin null_filter_plugin;
extern const struct filter_plugin chain_filter_plugin;
extern const struct filter_plugin convert_filter_plugin;
@@ -34,6 +36,7 @@ extern const struct filter_plugin normalize_filter_plugin;
extern const struct filter_plugin volume_filter_plugin;
extern const struct filter_plugin replay_gain_filter_plugin;
+gcc_pure
const struct filter_plugin *
filter_plugin_by_name(const char *name);