randr: unexport and document RRTransformCopy()

Not used by any external drivers, so no neeed to keep it exported.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>

randr/randrstr_priv.h

@@ -545,4 +545,13 @@ Bool RRTransformEqual(RRTransformPtr a, RRTransformPtr b);
 Bool RRTransformSetFilter(RRTransformPtr dst, PictFilterPtr filter,
                           xFixed *params, int nparams, int width, int height);
 
+/*
+ * Copy transform structure to another
+ *
+ * @param dst destination structure pointer
+ * @param src source structure pointer
+ * @return TRUE on success
+ */
+Bool RRTransformCopy(RRTransformPtr dst, RRTransformPtr src);
+
 #endif /* _XSERVER_RANDRSTR_PRIV_H_ */

randr/rrtransform.h

@@ -39,9 +39,6 @@ struct _rrTransform {
     int height;
 };
 
-extern _X_EXPORT Bool
- RRTransformCopy(RRTransformPtr dst, RRTransformPtr src);
-
 /*
  * Compute the complete transformation matrix including
  * client-specified transform, rotation/reflection values and the crtc