QJsonArray::(const_)iterator: mark the pointer typedefs as internal

Just like the other typedefs; removes the doc warnings.

Change-Id: I61142b8db57f4e0cc44cb8c459b1e82e69da3413
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@theqtcompany.com>
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@theqtcompany.com>
Fix build of QGestureRecognizer on OS X

ifdef panTouchPoints which is not used on OS X. Otherwise the build
fails when the -Werror,-Wunused-function flags are used.

Change-Id: I4f5498774905fcb2ba1fae40e41587d5821af8b9
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>