version: Constify a variable

[Andrew Talbot]

Changelog:
    version: Constify a variable.

diff -urN a/dlls/version/info.c b/dlls/version/info.c
--- a/dlls/version/info.c	2007-02-14 15:56:13.000000000 +0000
+++ b/dlls/version/info.c	2007-02-23 12:17:10.000000000 +0000
@@ -46,7 +46,7 @@
  *      Added this function to clean up the code.
  *
  *****************************************************************************/
-static void print_vffi_debug(VS_FIXEDFILEINFO *vffi)
+static void print_vffi_debug(const VS_FIXEDFILEINFO *vffi)
 {
     BOOL    versioned_printer = FALSE;