small fix to octa_mount_flare_dual to properly center the top internal flare - it was lopsided

Octathingy_mount_pcb.scad

@@ -320,8 +320,8 @@ module octa_mount_flare_dual(height, lip, transition, xradius, yradius, corner,
                     }
                     hull() {
                         rounded_block_relative(thin_mint, xradius, yradius, corner, - 2 * wall);
-                        translate([0, 0, transition]) {
-                            cube([thin_mint, (top_radius - wall) * 2, thin_mint]);
+                        translate([0, -top_radius, transition]) {
+                            cube([thin_mint, (top_radius) * 2, thin_mint]);
                         }
                     }
                 }