Generate output with Unix line endings even from Mingw64 utils

This affects cygcheck and strace.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

winsup/utils/strace.cc

@@ -13,6 +13,7 @@ details. */
 #define cygwin_internal cygwin_internal_dontuse
 #include <stdio.h>
 #include <fcntl.h>
+#include <io.h>
 #include <getopt.h>
 #include <stdarg.h>
 #include <string.h>
@@ -1054,6 +1055,9 @@ main2 (int argc, char **argv)
 	  argc++;
     }
 
+  _setmode (1, _O_BINARY);
+  _setmode (2, _O_BINARY);
+
   if (!(pgm = strrchr (*argv, '\\')) && !(pgm = strrchr (*argv, '/')))
     pgm = *argv;
   else