dix: unexport some lookup functions

These aren't used by any drivers, so no need to export them.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1380>

xfixes/cursor.c

@@ -46,6 +46,8 @@
 #include <dix-config.h>
 #endif
 
+#include "dix/dix_priv.h"
+
 #include "xfixesint.h"
 #include "scrnintstr.h"
 #include "cursorstr.h"

xfixes/region.c

@@ -24,9 +24,11 @@
 #include <dix-config.h>
 #endif
 
+#include "dix/dix_priv.h"
+#include "render/picturestr_priv.h"
+
 #include "xfixesint.h"
 #include "scrnintstr.h"
-#include "picturestr_priv.h"
 
 #include <regionstr.h>
 #include <gcstruct.h>

xfixes/saveset.c

@@ -24,6 +24,8 @@
 #include <dix-config.h>
 #endif
 
+#include "dix/dix_priv.h"
+
 #include "xfixesint.h"
 
 int

xfixes/select.c

@@ -24,6 +24,8 @@
 #include <dix-config.h>
 #endif
 
+#include "dix/dix_priv.h"
+
 #include "xfixesint.h"
 #include "xace.h"