mi: unexport miSourceValidate()

Not used by any drivers/modules, so no need to keep it public.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1727>

dix/pixmap.c

@@ -29,8 +29,11 @@ from The Open Group.
 #include <dix-config.h>
 
 #include <X11/X.h>
+#include <X11/extensions/render.h>
+
+#include "mi/mi_priv.h"
+
 #include "scrnintstr.h"
-#include "mi.h"
 #include "misc.h"
 #include "os.h"
 #include "windowstr.h"
@@ -38,7 +41,6 @@ from The Open Group.
 #include "dixstruct.h"
 #include "gcstruct.h"
 #include "servermd.h"
-#include "X11/extensions/render.h"
 #include "picturestr.h"
 #include "randrstr.h"
 /*

hw/xfree86/modes/xf86Rotate.c

@@ -33,8 +33,8 @@
 #include <X11/extensions/dpmsconst.h>
 
 #include "dix/dix_priv.h"
+#include "mi/mi_priv.h"
 
-#include "mi.h"
 #include "xf86.h"
 #include "xf86DDC.h"
 #include "windowstr.h"

mi/mi.h

@@ -232,11 +232,6 @@ extern _X_EXPORT void miPushPixels(GCPtr /*pGC */ ,
     );
 
 /* miscrinit.c */
-
-extern _X_EXPORT void
-miSourceValidate(DrawablePtr pDrawable, int x, int y, int w, int h,
-                 unsigned int subWindowMode);
-
 extern _X_EXPORT Bool miModifyPixmapHeader(PixmapPtr pPixmap,
                                            int width,
                                            int height,

mi/mi_priv.h

@@ -47,4 +47,7 @@ void miWindowExposures(WindowPtr pWin, RegionPtr prgn);
 
 void miPaintWindow(WindowPtr pWin, RegionPtr prgn, int what);
 
+void miSourceValidate(DrawablePtr pDrawable, int x, int y, int w, int h,
+                      unsigned int subWindowMode);
+
 #endif /* _XSERVER_MI_PRIV_H */