Fix jsonptr start_of_token_chain initial value
diff --git a/example/jsonptr/jsonptr.cc b/example/jsonptr/jsonptr.cc
index 2bee059..421fd72 100644
--- a/example/jsonptr/jsonptr.cc
+++ b/example/jsonptr/jsonptr.cc
@@ -1063,7 +1063,7 @@
 main1(int argc, char** argv) {
   TRY(initialize_globals(argc, argv));
 
-  bool start_of_token_chain = false;
+  bool start_of_token_chain = true;
   while (true) {
     wuffs_base__status status = g_dec.decode_tokens(
         &g_tok, &g_src,