Don't forget the two optional headers

Author: agagniere

build.zig

@@ -66,6 +66,8 @@ pub fn build(b: *std.Build) !void {
             "printbuf.c",
             "random_seed.c",
             "strerror_override.c",
+            "json_pointer.h",
+            "json_patch.h",
         },
         .flags = &CFLAGS,
     });