Fix typo in book1 listing [scene-wide-angle]

Resolves #368

Author: hollasch

books/RayTracingInOneWeekend.html

@@ -2382,7 +2382,7 @@
     auto R = cos(pi/4);
     hittable_list world;
     world.add(make_shared<sphere>(vec3(-R,0,-1), R, make_shared<lambertian>(vec3(0, 0, 1))));
-    world.add(make_shared<sphere(>vec3( R,0,-1), R, make_shared<lambertian>(vec3(1, 0, 0))));
+    world.add(make_shared<sphere>(vec3( R,0,-1), R, make_shared<lambertian>(vec3(1, 0, 0))));
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     [Listing [scene-wide-angle]: <kbd>[main.cc]</kbd> Scene with wide-angle camera]