Fixed link to format source code.

exercises/099_formatting.zig

@@ -16,7 +16,7 @@
 // Therefore, the comments for the format() function are the only
 // way to definitively learn how to format strings in Zig:
 //
-//     https://github.com/ziglang/zig/blob/master/lib/std/fmt.zig#L29
+//     https://github.com/ziglang/zig/blob/master/lib/std/fmt.zig#L33
 //
 // Zig already has a very nice selection of formatting options.
 // These can be used in different ways, but generally to convert

patches/patches/099_formatting.patch

@@ -1,5 +1,5 @@
---- exercises/099_formatting.zig	2023-10-03 22:15:22.125574535 +0200
-+++ answers/099_formatting.zig	2023-10-05 20:04:07.292771311 +0200
+--- exercises/099_formatting.zig	2024-11-07 21:45:10.459123650 +0100
++++ answers/099_formatting.zig	2024-11-07 21:43:55.154345991 +0100
 @@ -131,7 +131,7 @@
          for (0..size) |b| {
              // What formatting is needed here to make our columns