Fix typo

Change-Id: Id3fe1d66cb1d3cb57f8aa5e652bf1c9ad6346091
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/90286
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

cppuhelper/source/propshlp.cxx

@@ -768,7 +768,7 @@ void OPropertySetHelper::fire
                     {
                         try
                         {
-                            // fire the hole event sequence to the
+                            // fire the whole event sequence to the
                             // XPropertiesChangeListener's
                             pL->propertiesChange( aEvts );
                         }