Move ddxInputThreadInit() to xvnc.c

This should only be in the ddx parts of an X server, and Input.c is used
by libvnc.so as well and can cause conflicts there.

unix/xserver/hw/vnc/Input.c

@@ -642,12 +642,3 @@ static void vncKeysymKeyboardEvent(KeySym keysym, int down)
 	 */
 	mieqProcessInputEvents();
 }
-
-#if INPUTTHREAD
-/** This function is called in Xserver/os/inputthread.c when starting
-    the input thread. */
-void
-ddxInputThreadInit(void)
-{
-}
-#endif

unix/xserver/hw/vnc/xvnc.c

@@ -274,6 +274,15 @@ void ddxBeforeReset(void)
 }
 #endif
 
+#if INPUTTHREAD
+/** This function is called in Xserver/os/inputthread.c when starting
+    the input thread. */
+void
+ddxInputThreadInit(void)
+{
+}
+#endif
+
 void ddxUseMsg(void)
 {
     vncPrintBanner();