smyrna: mark 'cb_special_key_up' 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 8f988522de8ae7ba0f3fb647789911cd0b39082f..a50e7ea63259024562181a62c3e807dda976cdfa 100644 (file)
--- a/cmd/smyrna/glutrender.c
+++ b/cmd/smyrna/glutrender.c
@@ -187,7 +187,8 @@ static void cb_special_key(int key, int x, int y)
     appmouse_key_press(view,key);
 
 }
-void cb_special_key_up(int key, int x, int y)
+
+static void cb_special_key_up(int key, int x, int y)
 {
     if(key==GLUT_KEY_F1)
     {