src: fix typo in js_native_api_v8.cc

PR-URL: nodejs#41764
Reviewed-By: Mestery <mestery@protonmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>

src/js_native_api_v8.cc

@@ -16,7 +16,7 @@
 #define CHECK_TO_NUMBER(env, context, result, src) \
   CHECK_TO_TYPE((env), Number, (context), (result), (src), napi_number_expected)
 
-// n-api defines NAPI_AUTO_LENGHTH as the indicator that a string
+// n-api defines NAPI_AUTO_LENGTH as the indicator that a string
 // is null terminated. For V8 the equivalent is -1. The assert
 // validates that our cast of NAPI_AUTO_LENGTH results in -1 as
 // needed by V8.