[main] Make some callback functions static

diff --git a/src/main.c b/src/main.c
index 610ee3002f0ac9d207fce5fe19e99902c1f5a82b..1feac1d8fc1c1ae3aec797c357291ef9cb28cbe5 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -883,7 +883,7 @@ on_keyboard_input (state_t                  *state,
     }
 }
 
-void
+static void
 on_backspace (state_t                  *state)
 {
   ssize_t bytes_to_remove;
@@ -909,7 +909,7 @@ on_backspace (state_t                  *state)
   update_display (state);
 }
 
-void
+static void
 on_enter (state_t                  *state,
           const char               *line)
 {