include: move xsha1.h to os/

This header is never exported and belongs to OS layer, thus no need to have it
in include/ directory, where all the public ones are - better off under os/.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1350>
(cherry picked from commit 40c5d39c55)

meson.build

@@ -643,6 +643,7 @@ common_dep = [
 ]
 
 inc = include_directories(
+    '.',
     'Xext',
     'Xi',
     'composite',

os/xsha1.c

@@ -28,7 +28,7 @@
 #endif
 
 #include "os.h"
-#include "xsha1.h"
+#include "os/xsha1.h"
 
 #if defined(HAVE_SHA1_IN_LIBMD)  /* Use libmd for SHA1 */ \
 	|| defined(HAVE_SHA1_IN_LIBC)   /* Use libc for SHA1 */

render/glyph.c

@@ -26,7 +26,7 @@
 #include <dix-config.h>
 #endif
 
-#include "xsha1.h"
+#include "os/xsha1.h"
 
 #include "misc.h"
 #include "scrnintstr.h"