include: colormap.h: move internal typedef to dix/colormap_priv.h

Moving the internal EntryType typedef from "colormap.h" into newly added
internal-only header "dix/colormap_priv.h"

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1283>

dix/colormap.c

@@ -53,6 +53,9 @@ SOFTWARE.
 #include <stdio.h>
 #include <string.h>
 #include <strings.h>
+
+#include "dix/colormap_priv.h"
+
 #include "misc.h"
 #include "dix.h"
 #include "dixstruct.h"

dix/colormap_priv.h

@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: MIT OR X11
+ *
+ * Copyright © 2024 Enrico Weigelt, metux IT consult <info@metux.net>
+ */
+#ifndef _XSERVER_DIX_COLORMAP_PRIV_H
+#define _XSERVER_DIX_COLORMAP_PRIv_H
+
+typedef struct _CMEntry *EntryPtr;
+
+#endif /* _XSERVER_DIX_COLORMAP_PRIV_H */

hw/xfree86/common/xf86cmap.c

@@ -40,6 +40,8 @@
 #include <X11/X.h>
 #include "misc.h"
 #include <X11/Xproto.h>
+
+#include "dix/colormap_priv.h"
 #include "colormapst.h"
 #include "scrnintstr.h"
 

include/colormap.h

@@ -70,7 +70,6 @@ SOFTWARE.
 #define BeingCreated 4
 
 typedef CARD32 Pixel;
-typedef struct _CMEntry *EntryPtr;
 
 /* moved to screenint.h: typedef struct _ColormapRec *ColormapPtr */
 typedef struct _colorResource *colorResourcePtr;