Increase resampling recursion depth.

Otherwise Albers shows some graticule artefacts near the North Pole for
rotate([0, 0, 45]). It may be worth investigating what happens to k near
the poles, in case we need to override it.

d3.v2.js

@@ -2047,7 +2047,7 @@
         },
         lineTo: function(λ, φ) {
           var point = projectPoint(λ, φ);
-          lineTo(x0, y0, x0 = point[0], y0 = point[1], λ0, φ0, λ0 = λ, φ0 = φ, 10);
+          lineTo(x0, y0, x0 = point[0], y0 = point[1], λ0, φ0, λ0 = λ, φ0 = φ, 32);
         },
         closePath: function() {
           context.closePath();

src/geo/projection.js

@@ -124,7 +124,7 @@ function d3_geo_projectionMutator(projectAt) {
       },
       lineTo: function(λ, φ) {
         var point = projectPoint(λ, φ);
-        lineTo(x0, y0, x0 = point[0], y0 = point[1], λ0, φ0, λ0 = λ, φ0 = φ, 10);
+        lineTo(x0, y0, x0 = point[0], y0 = point[1], λ0, φ0, λ0 = λ, φ0 = φ, 32);
       },
       closePath: function() {
         context.closePath();