smyrna: mark 'cb_special_key' as static

This function is not used outside of its containing file.

diff --git a/cmd/smyrna/glutrender.c b/cmd/smyrna/glutrender.c
index 829e29377158b2de624b23f4fba9dd4f06e4c982..8f988522de8ae7ba0f3fb647789911cd0b39082f 100644 (file)
--- a/cmd/smyrna/glutrender.c
+++ b/cmd/smyrna/glutrender.c
@@ -178,8 +178,7 @@ static void cb_keyboard_up(unsigned char key, int x, int y)
     appmouse_key_release(view);
 }
 
-
-void cb_special_key(int key, int x, int y)
+static void cb_special_key(int key, int x, int y)
 {
     if(key==GLUT_KEY_F1)
     {