fairphone-case: Provide default value fore $button_leg_only

NFC, suppresses a warning.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/fairphone-case.scad b/fairphone-case.scad
index 5d8eb6f558d82aaacbd1d4b086f940cfe24d9811..c2f13c79488e0775b77d0b737ea7414ada575b53 100644 (file)
--- a/fairphone-case.scad
+++ b/fairphone-case.scad
@@ -271,6 +271,7 @@ prop_prong_heel_slope = 0.5;
 
 lid_fold_clearance_antislop = 0.5;
 
+$button_leg_only = false;
 // ---------- calculated ----------
 
 phone_width =  (phone + bumper*2)[0];