Fix build with upcoming Qt5 update

Add missing includes from upstream

OK feinerer@ (maintainer)

cad/librecad/Makefile

@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.1.1.1 2019/08/14 12:09:40 feinerer Exp $
+# $OpenBSD: Makefile,v 1.2 2020/02/26 16:38:40 rsadowski Exp $
 
 COMMENT =	2D CAD program
 
@@ -6,6 +6,7 @@ GH_ACCOUNT =	LibreCAD
 GH_PROJECT =	LibreCAD
 GH_TAGNAME =	2.2.0-rc1
 PKGNAME =	${DISTNAME:L:S/-rc/rc/}
+REVISION =	0
 
 CATEGORIES =	cad graphics
 

cad/librecad/patches/patch-librecad_src_ui_forms_qg_commandwidget_cpp

@@ -0,0 +1,13 @@
+$OpenBSD: patch-librecad_src_ui_forms_qg_commandwidget_cpp,v 1.1 2020/02/26 16:38:40 rsadowski Exp $
+
+Index: librecad/src/ui/forms/qg_commandwidget.cpp
+--- librecad/src/ui/forms/qg_commandwidget.cpp.orig
++++ librecad/src/ui/forms/qg_commandwidget.cpp
+@@ -27,6 +27,7 @@
+ 
+ #include <algorithm>
+ 
++#include <QAction>
+ #include <QKeyEvent>
+ #include <QFileDialog>
+ #include <QSettings>

cad/librecad/patches/patch-librecad_src_ui_generic_colorwizard_cpp

@@ -0,0 +1,13 @@
+$OpenBSD: patch-librecad_src_ui_generic_colorwizard_cpp,v 1.1 2020/02/26 16:38:40 rsadowski Exp $
+
+Index: librecad/src/ui/generic/colorwizard.cpp
+--- librecad/src/ui/generic/colorwizard.cpp.orig
++++ librecad/src/ui/generic/colorwizard.cpp
+@@ -27,6 +27,7 @@
+ #include "colorwizard.h"
+ #include "ui_colorwizard.h"
+ 
++#include <QAction>
+ #include <QColorDialog>
+ #include <QLineEdit>
+ #include <QListWidget>

cad/librecad/patches/patch-librecad_src_ui_generic_widgetcreator_cpp

@@ -0,0 +1,13 @@
+$OpenBSD: patch-librecad_src_ui_generic_widgetcreator_cpp,v 1.1 2020/02/26 16:38:40 rsadowski Exp $
+
+Index: librecad/src/ui/generic/widgetcreator.cpp
+--- librecad/src/ui/generic/widgetcreator.cpp.orig
++++ librecad/src/ui/generic/widgetcreator.cpp
+@@ -27,6 +27,7 @@
+ #include "widgetcreator.h"
+ #include "ui_widgetcreator.h"
+ 
++#include <QActionGroup>
+ #include <QSettings>
+ #include <QLineEdit>
+ #include <QPushButton>