First support of DGA 2.0 for DirectDraw.

diff --git a/tsx11/X11_calls b/tsx11/X11_calls
index b872337..d2caea7 100644
--- a/tsx11/X11_calls
+++ b/tsx11/X11_calls
@@ -78,6 +78,8 @@
 XGetWMSizeHints
 XGetWindowAttributes
 XGetWindowProperty
+XGrabKeyboard
+XGrabPointer
 XGrabServer
 XIconifyWindow
 XInitThreads
@@ -157,6 +159,8 @@
 XSynchronize
 XTextExtents
 XTextWidth
+XUngrabKeyboard
+XUngrabPointer
 XUngrabServer
 XUninstallColormap
 XUnionRectWithRegion