Fix typo

Change-Id: I6f62d3812b191b9c8f7e52a6729bad150be16c2f
Reviewed-on: https://gerrit.libreoffice.org/53782
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>

offapi/com/sun/star/document/MacroExecMode.idl

@@ -37,7 +37,7 @@ published constants MacroExecMode
     /** Execute macros from secure list quietly.
 
         <p>
-        If a macro is not in the list a conformation for it executing will
+        If a macro is not in the list a confirmation for it executing will
         appear.
         </p>
     */