Rename figure 3.05

Author: hollasch

books/RayTracingTheRestOfYourLife.html

@@ -606,7 +606,8 @@
 goes through. The solid angle $\omega$ and the projected area $A$ on the unit sphere are the same
 thing.
 
-  ![Figure [solid-angle]: Solid angle / projected area of a sphere](../images/fig.solid-angle.jpg)
+  ![Figure [solid-angle]: Solid angle / projected area of a sphere
+  ](../images/fig-3.05-solid-angle.jpg)
 
 Now let’s go on to the light transport equation we are solving.