randr: unexport and document RRTransformSetFilter()

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

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

randr/randrstr_priv.h

@@ -539,4 +539,10 @@ void RRTransformInit(RRTransformPtr transform);
  */
 Bool RRTransformEqual(RRTransformPtr a, RRTransformPtr b);
 
+/*
+ * Set filter on transform structure
+ */
+Bool RRTransformSetFilter(RRTransformPtr dst, PictFilterPtr filter,
+                          xFixed *params, int nparams, int width, int height);
+
 #endif /* _XSERVER_RANDRSTR_PRIV_H_ */

randr/rrtransform.h

@@ -39,12 +39,6 @@ struct _rrTransform {
     int height;
 };
 
-extern _X_EXPORT Bool
-
-RRTransformSetFilter(RRTransformPtr dst,
-                     PictFilterPtr filter,
-                     xFixed * params, int nparams, int width, int height);
-
 extern _X_EXPORT Bool
  RRTransformCopy(RRTransformPtr dst, RRTransformPtr src);