Fix build error with WITH_X11_XINPUT=OFF after recent changes

intern/ghost/intern/GHOST_SystemX11.cpp

@@ -960,11 +960,7 @@ void GHOST_SystemX11::processEvent(XEvent *xe)
     case MotionNotify: {
       XMotionEvent &xme = xe->xmotion;
 
-#ifdef WITH_X11_XINPUT
       bool is_tablet = window->GetTabletData().Active != GHOST_kTabletModeNone;
-#else
-      bool is_tablet = false;
-#endif
 
       if (is_tablet == false && window->getCursorGrabModeIsWarp()) {
         GHOST_TInt32 x_new = xme.x_root;

intern/ghost/intern/GHOST_WindowX11.cpp

@@ -239,6 +239,7 @@ GHOST_WindowX11::GHOST_WindowX11(GHOST_SystemX11 *system,
 #ifdef WITH_XDND
       m_dropTarget(NULL),
 #endif
+      m_tabletData(GHOST_TABLET_DATA_NONE),
 #if defined(WITH_X11_XINPUT) && defined(X_HAVE_UTF8_STRING)
       m_xic(NULL),
 #endif
@@ -498,8 +499,6 @@ GHOST_WindowX11::GHOST_WindowX11(GHOST_SystemX11 *system,
 
 #ifdef WITH_X11_XINPUT
   refreshXInputDevices();
-
-  m_tabletData = GHOST_TABLET_DATA_NONE;
 #endif
 
   /* now set up the rendering context. */

intern/ghost/intern/GHOST_WindowX11.h

@@ -144,12 +144,11 @@ class GHOST_WindowX11 : public GHOST_Window {
    * Return a handle to the x11 window type.
    */
   Window getXWindow();
-#ifdef WITH_X11_XINPUT
+
   GHOST_TabletData &GetTabletData()
   {
     return m_tabletData;
   }
-#endif  // WITH_X11_XINPUT
 
 #if defined(WITH_X11_XINPUT) && defined(X_HAVE_UTF8_STRING)
   XIC getX11_XIC()
@@ -269,9 +268,7 @@ class GHOST_WindowX11 : public GHOST_Window {
   GHOST_DropTargetX11 *m_dropTarget;
 #endif
 
-#ifdef WITH_X11_XINPUT
   GHOST_TabletData m_tabletData;
-#endif
 
 #if defined(WITH_X11_XINPUT) && defined(X_HAVE_UTF8_STRING)
   XIC m_xic;