dix: unexport CopyGC()

Not used by any driver, so no need to export it.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1365>

dix/dixfonts.c

@@ -56,6 +56,7 @@ Equipment Corporation.
 #include <X11/Xmd.h>
 #include <X11/Xproto.h>
 
+#include "dix/gc_priv.h"
 #include "os/auth.h"
 
 #include "scrnintstr.h"

dix/gc_priv.h

@@ -18,4 +18,6 @@ GCPtr CreateGC(DrawablePtr pDrawable,
                XID gcid,
                ClientPtr client);
 
+int CopyGC(GCPtr pgcSrc, GCPtr pgcDst, BITS32 mask);
+
 #endif /* _XSERVER_DIX_GC_PRIV_H */

include/gc.h

@@ -88,10 +88,6 @@ extern _X_EXPORT int ChangeGC(ClientPtr /*client */ ,
                               BITS32 /*mask */ ,
                               ChangeGCValPtr /*pCGCV */ );
 
-extern _X_EXPORT int CopyGC(GCPtr /*pgcSrc */ ,
-                            GCPtr /*pgcDst */ ,
-                            BITS32 /*mask */ );
-
 extern _X_EXPORT int FreeGC(void *pGC,
                             XID gid);