Broken structure now gets through syntax evaluator.

examples/basic/broken0001.ngr

@@ -0,0 +1,25 @@
+struct Point {
+    x: u64;
+    y: u64;
+}
+
+function getX(p: Point) -> u64
+    p.x;
+
+function getY(p: Point) -> u64
+    p.y;
+
+function newPoint(x, y) -> Point
+    Point {
+        x: x;
+        y: y;
+    };
+
+function slope(p1, p2) -> u64
+    (getY(p2) - p1.y) / (getX(p2) - p1.x);
+
+origin = newPoint(0, 0);
+farther = newPoint(4, 4);
+
+mySlope = slope(origin, farther);
+print mySlope;