xfree86: os-support: move hidden Solaris-specific symbols out of public header

These aren't exported at all, so no need to have it in public header.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1456>

hw/xfree86/common/xf86AutoConfig.c

@@ -39,6 +39,7 @@
 #include "xf86Config.h"
 #include "xf86MatchDrivers.h"
 #include "xf86Priv.h"
+#include "xf86_os_support.h"
 #include "xf86_OSlib.h"
 #include "xf86platformBus.h"
 #include "xf86pciBus.h"

hw/xfree86/os-support/solaris/sun_init.c

@@ -67,7 +67,7 @@ static char consoleDev[PATH_MAX] = "/dev/fb";
 
 /* Set by -dev argument on CLI
    Used by hw/xfree86/common/xf86AutoConfig.c for VIS_GETIDENTIFIER */
-_X_HIDDEN char xf86SolarisFbDev[PATH_MAX] = "/dev/fb";
+char xf86SolarisFbDev[PATH_MAX] = "/dev/fb";
 
 #ifdef HAS_USL_VTS
 static void

hw/xfree86/os-support/xf86_OSlib.h

@@ -104,15 +104,9 @@
 #endif
 #include <sys/kd.h>
 #include <sys/vt.h>
-
-extern _X_HIDDEN void xf86VTAcquire(int);
-extern _X_HIDDEN void xf86VTRelease(int);
 #endif
 
 #if defined(__sun)
-#include <sys/fbio.h>
-extern _X_HIDDEN char xf86SolarisFbDev[PATH_MAX];
-
 #include <sys/kbd.h>
 #include <sys/kbio.h>
 

hw/xfree86/os-support/xf86_os_support.h

@@ -59,4 +59,12 @@ void
 xf86PlatformReprobeDevice(int index, struct OdevAttributes *attribs);
 #endif
 
+#if defined(__sun)
+extern char xf86SolarisFbDev[PATH_MAX];
+
+/* these are only used inside sun-specific os-support */
+void xf86VTAcquire(int);
+void xf86VTRelease(int);
+#endif
+
 #endif /* _XSERVER_XF86_OS_SUPPORT */