A patch file to add extended_errorcode API to tclsqlite3

tclsqlite3.patch

diff -r C:\src\sqlite-extension\tclsqlite3-org.c C:\src\sqlite-extension\tclsqlite3-mod.c
1871a1872
>     "extended_errorcode",
1887c1888,1889
<     DB_UPDATE_HOOK,           DB_VERSION,              DB_WAL_HOOK
---
>     DB_UPDATE_HOOK,           DB_VERSION,              DB_WAL_HOOK,
>     DB_EXTENDED_ERRORCODE
2508a2511,2521
>   **    $db extended_errorcode
>   **
>   ** Return the numeric extended error code that was returned by the most recent
>   ** call to sqlite3_exec().
>   */
>   case DB_EXTENDED_ERRORCODE: {
>     Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_extended_errcode(pDb->db)));
>     break;
>   }
> 
>   /*