Revert

mysql-test/lib/mtr_misc.pl

@@ -96,16 +96,7 @@ sub mtr_exe_exists (@) {
   map {$_.= ".exe"} @path if $::glob_win32;
   foreach my $path ( @path )
   {
-    if ( -x $path )
-    {
-      if ( $::glob_cygwin_perl )
-      {
-        $path= `cygpath -w $path`;
-	# Chop off the \n that cygpath adds
-        $path=~ s/\n//;
-      }
-      return $path;
-    }
+    return $path if -x $path;
   }
   if ( @path == 1 )
   {