Fix text in C++ default statement #930

Job	Run time
build	47s
typescript,typescript-zod,typescript-effect-schema	3m 14s
javascript,schema-javascript	1m 18s
golang,schema-golang	1m 24s
cjson,schema-cjson	2m 3s
cplusplus,schema-cplusplus	2m 56s
flow,schema-flow	1m 56s
java,schema-java	5m 44s
python,schema-python	2m 4s
haskell,schema-haskell	8m 1s
csharp,schema-csharp,schema-json-csharp,graphql-csharp,csharp-SystemTextJson	6m 8s
json-ts-csharp	2m 22s
dart,schema-dart	1m 29s
swift,schema-swift	2m 48s
javascript-prop-types	1m 22s
ruby	1m 8s
php	1m 6s
scala3,schema-scala3	2m 46s
elixir,schema-elixir,graphql-elixir	6m 57s
rust,schema-rust	4m 15s
kotlin,schema-kotlin,kotlin-jackson,schema-kotlin-jackson	7m 4s
objective-c	1s
test-complete	1s
	1h 6m 54s

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