dix: unexport dixLookupProperty()

It's not used by any drivers, so no need to keep it exported.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1340>

Xext/xselinux_ext.c

@@ -22,6 +22,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #endif
 
 #include "dix/dix_priv.h"
+#include "dix/property_priv.h"
 
 #include "selection.h"
 #include "inputstr.h"

dix/property_priv.h

@@ -51,6 +51,9 @@ SOFTWARE.
 #ifndef _XSERVER_PROPERTY_PRIV_H
 #define _XSERVER_PROPERTY_PRIV_H
 
+#include <X11/X.h>
+
+#include "dix.h"
 #include "window.h"
 #include "property.h"
 
@@ -62,4 +65,7 @@ typedef struct _PropertyStateRec {
 
 extern CallbackListPtr PropertyStateCallback;
 
+int dixLookupProperty(PropertyPtr *result, WindowPtr pWin, Atom proprty,
+                      ClientPtr pClient, Mask access_mode);
+
 #endif /* _XSERVER_PROPERTY_PRIV_H */

hw/xquartz/applewm.c

@@ -36,6 +36,8 @@
 
 #include <errno.h>
 
+#include "dix/property_priv.h"
+
 #include "quartz.h"
 
 #include "misc.h"

hw/xwayland/xwayland-window.c

@@ -35,6 +35,7 @@
 #include <X11/Xatom.h>
 
 #include "dix/dix_priv.h"
+#include "dix/property_priv.h"
 
 #include "compositeext.h"
 #include "compint.h"

include/property.h

@@ -51,12 +51,6 @@ SOFTWARE.
 
 typedef struct _Property *PropertyPtr;
 
-extern _X_EXPORT int dixLookupProperty(PropertyPtr * /*result */ ,
-                                       WindowPtr /*pWin */ ,
-                                       Atom /*proprty */ ,
-                                       ClientPtr /*pClient */ ,
-                                       Mask /*access_mode */ );
-
 extern _X_EXPORT int dixChangeWindowProperty(ClientPtr pClient,
                                              WindowPtr pWin,
                                              Atom property,