Fix some warnings in w32 specific code.

 src/w32term.c (w32_initialize): Declare the argument of
 set_user_model as const.
 src/w32menu.c <MessageBoxW_Proc>: Fix argument declarations.
 (w32_menu_show): Constify some arguments passed to MessageBox.
 src/w32uniscribe.c (uniscribe_font_driver): Use LISP_INITIALLY_ZERO
 to initialize Lisp objects.
 src/w32font.c (w32font_driver): Use LISP_INITIALLY_ZERO to
 initialize Lisp objects.
 src/frame.c (x_set_frame_parameters) [HAVE_X_WINDOWS]: Declare and
 use variables used only on X under that condition.
 src/fileio.c (Fcopy_file) [!WINDOWSNT]: Don't declare on Windows
 variables not used there.

1 files changed, 6 insertions, 4 deletions

diff --git a/src/fileio.c b/src/fileio.c
index 47736d2b1b..295d9d748a 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -1942,10 +1942,7 @@ attributes of FILE to NEWNAME, such as its SELinux context and ACL
 entries (depending on how Emacs was built).  */)
   (Lisp_Object file, Lisp_Object newname, Lisp_Object ok_if_already_exists, Lisp_Object keep_time, Lisp_Object preserve_uid_gid, Lisp_Object preserve_extended_attributes)
 {
-  int ifd, ofd;
-  int n;
-  char buf[16 * 1024];
-  struct stat st, out_st;
+  struct stat out_st;
   Lisp_Object handler;
   struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
   ptrdiff_t count = SPECPDL_INDEX ();
@@ -1956,6 +1953,11 @@ entries (depending on how Emacs was built).  */)
 #endif
 #ifdef WINDOWSNT
   int result;
+#else
+  int ifd, ofd;
+  int n;
+  char buf[16 * 1024];
+  struct stat st;
 #endif
 
   encoded_file = encoded_newname = Qnil;