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-rw-r--r--backends/midi/timidity.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/backends/midi/timidity.cpp b/backends/midi/timidity.cpp
index c813441724..d533dab770 100644
--- a/backends/midi/timidity.cpp
+++ b/backends/midi/timidity.cpp
@@ -99,7 +99,7 @@ private:
int connect_to_server(const char* hostname, unsigned short tcp_port);
/* send command to the server; printf-like; returns reply string */
- char *timidity_ctl_command(const char *fmt, ...);
+ char *timidity_ctl_command(const char *fmt, ...) GCC_PRINTF(2, 3);
/* timidity data socket-related stuff */
void timidity_meta_seq(int p1, int p2, int p3);