added type to avoid compiler warning

diff --git a/iambic.c b/iambic.c
index 1e687e1ed3e2f58640553f2200d1fc896222bbc4..d6959f0ef6a191e476e2469f6e6b6b5984e9df91 100644 (file)
--- a/iambic.c
+++ b/iambic.c
@@ -248,7 +248,7 @@ int gpio_cw_sidetone_enabled() { return 0; }
 void gpio_cw_sidetone_set(int level) {}
 #endif
 
-void keyer_straight_key(state) {
+void keyer_straight_key(int state) {
   //
   // Interface for simple key-down action e.g. from a MIDI message
   //