Avoid compiler warnings

* src/cygw32.c (chdir_to_default_directory): Use "void" as
argument list.  Use SSDATA instead of SDATA.

* src/unexcw.c (fixup_executable): Use %td as format specifier for
argument of type ptrdiff_t.  Use %zu for argument of type size_t.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/cygw32.c b/src/cygw32.c
index 682232035f6..ca9069a120b 100644
--- a/src/cygw32.c
+++ b/src/cygw32.c
@@ -31,7 +31,7 @@ fchdir_unwind (int dir_fd)
 }
 
 static void
-chdir_to_default_directory ()
+chdir_to_default_directory (void)
 {
   Lisp_Object new_cwd;
   int old_cwd_fd = emacs_open (".", O_RDONLY | O_DIRECTORY, 0);
@@ -46,7 +46,7 @@ chdir_to_default_directory ()
   if (!STRINGP (new_cwd))
     new_cwd = build_string ("/");
 
-  if (chdir (SDATA (ENCODE_FILE (new_cwd))))
+  if (chdir (SSDATA (ENCODE_FILE (new_cwd))))
     error ("could not chdir: %s", strerror (errno));
 }