dix: unexport eventconvert.h functions

This header isn't installed, so no external modules could use the
functions declared there. Thus we can unexport it all.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1358>

test/input.c

@@ -37,8 +37,10 @@
 #include <X11/Xatom.h>
 #include "windowstr.h"
 #include "inputstr.h"
-#include "eventconvert.h"
 #include "exevents.h"
+
+#include "dix/eventconvert.h"
+
 #include "exglobals.h"
 #include "dixgrabs.h"
 #include "eventstr.h"

test/xi2/protocol-eventconvert.c

@@ -29,9 +29,10 @@
 
 #include <stdint.h>
 
+#include "dix/eventconvert.h"
+
 #include "inputstr.h"
 #include "eventstr.h"
-#include "eventconvert.h"
 #include "exevents.h"
 #include "inpututils.h"
 #include <X11/extensions/XI2proto.h>