fix reported bugs

- compile on windows
- fix cursors

src/Mod/Draft/DraftSnap.py

@@ -825,13 +825,13 @@ class Snapper:
         if self.selectMode:
             mw = FreeCADGui.getMainWindow()
             for w in mw.findChild(QtGui.QMdiArea).findChildren(QtGui.QWidget):
-                if w.metaObject().className() == "SoQtGLArea":
+                if w.metaObject().className() == "SIM::Coin3D::Quarter::QuarterWidget":
                     w.unsetCursor()
             self.cursorMode = None
         elif not mode:
             mw = FreeCADGui.getMainWindow()
             for w in mw.findChild(QtGui.QMdiArea).findChildren(QtGui.QWidget):
-                if w.metaObject().className() == "SoQtGLArea":
+                if w.metaObject().className() == "SIM::Coin3D::Quarter::QuarterWidget":
                     w.unsetCursor()
             self.cursorMode = None
         else:
@@ -849,7 +849,7 @@ class Snapper:
                 cur = QtGui.QCursor(newicon,8,8)
                 mw = FreeCADGui.getMainWindow()
                 for w in mw.findChild(QtGui.QMdiArea).findChildren(QtGui.QWidget):
-                    if w.metaObject().className() == "SoQtGLArea":
+                    if w.metaObject().className() == "SIM::Coin3D::Quarter::QuarterWidget":
                         w.setCursor(cur)
                 self.cursorMode = mode
 

src/Mod/Mesh/Gui/MeshEditor.cpp

@@ -27,6 +27,8 @@
 # include <algorithm>
 # include <QMenu>
 # include <QTimer>
+# include <Inventor/SbLine.h>
+# include <Inventor/SbPlane.h>
 # include <Inventor/SoPickedPoint.h>
 # include <Inventor/details/SoFaceDetail.h>
 # include <Inventor/details/SoPointDetail.h>

src/Mod/Mesh/Gui/PreCompiled.h

@@ -83,6 +83,7 @@
 #endif
 
 #elif defined(FC_OS_WIN32)
+#define NOMINMAX
 #include <windows.h>
 #endif  //_PreComp_
 

src/Mod/Mesh/Gui/ViewProvider.cpp

@@ -26,6 +26,8 @@
 #ifndef _PreComp_
 # include <QMenu>
 # include <Inventor/SbBox2s.h>
+# include <Inventor/SbLine.h>
+# include <Inventor/SbPlane.h>
 # include <Inventor/SoPickedPoint.h>
 # include <Inventor/actions/SoToVRML2Action.h>
 # include <Inventor/VRMLnodes/SoVRMLGroup.h>