[patch cygwin]: Replace use of TARGET_CYGWIN64 by TARGET_64BIT

[Kai Tietz]

Hi,

this patch fixes an obvious typo in recently applied patch.

ChangeLog

2013-04-08  Kai Tietz  <kti...@redhat.com>

    * config/i386/cygwin.h (EXTRA_OS_CPP_BUILTINS): Replaced
    TARGET_CYGWIN64 by TARGET_64BIT.

Applied to trunk as obvious fix. as revision 197593.

Regards,
Kai

Index: cygwin.h
===================================================================
--- cygwin.h    (Revision 197586)
+++ cygwin.h    (Arbeitskopie)
@@ -22,7 +22,7 @@ along with GCC; see the file COPYING3.  If not see
   do                                                           \
     {                                                          \
       builtin_define ("__CYGWIN__");                           \
-      if (!TARGET_CYGWIN64)                                    \
+      if (!TARGET_64BIT)                                       \
        builtin_define ("__CYGWIN32__");                        \
       builtin_define ("__unix__");                             \
       builtin_define ("__unix");                               \