[DOCS] Fixed bad cross doc link.

docs/reference/sql/index.asciidoc

@@ -36,7 +36,7 @@ indices and return results in tabular format.
     SQL and print tabular results.
 <<sql-jdbc,JDBC>>::
     A JDBC driver for {es}.
-{sql-odbc}/odbc.html[ODBC]::
+{sql-odbc}[ODBC]::
     An ODBC driver for {es}.
 <<sql-client-apps,Client Applications>>::
     Documentation for configuring various SQL/BI tools with {es-sql}.