Use for-range loop in include/canvas

Change-Id: I29c4af5a59f72c478090f1b8625a0507d461374a
Reviewed-on: https://gerrit.libreoffice.org/52077Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

include/canvas/spriteredrawmanager.hxx

@@ -326,17 +326,11 @@ namespace canvas
                         // involved. Have to sort component lists for
                         // sprite prio.
                         VectorOfSprites aSortedUpdateSprites;
-                        SpriteConnectedRanges::ComponentListType::const_iterator aCurr(
-                            rUpdateArea.maComponentList.begin() );
-                        const SpriteConnectedRanges::ComponentListType::const_iterator aEnd(
-                            rUpdateArea.maComponentList.end() );
-                        while( aCurr != aEnd )
+                        for (auto const& elem : rUpdateArea.maComponentList)
                         {
-                            const Sprite::Reference& rSprite( aCurr->second.getSprite() );
+                            const Sprite::Reference& rSprite( elem.second.getSprite() );
                             if( rSprite.is() )
                                 aSortedUpdateSprites.push_back( rSprite );
-
-                            ++aCurr;
                         }
 
                         ::std::sort( aSortedUpdateSprites.begin(),