change: support the "user." extended attribute namespace by default on Linux

src/ntfs-3g.8.in

@@ -175,7 +175,7 @@ to, one of \fBnone\fR, \fBwindows\fR or \fBxattr\fR. If the option is set to
 to \fBwindows\fR, then the user can access them just like in Windows (eg. cat
 file:stream). If it's set to \fBxattr\fR, then the named data streams are
 mapped to xattrs and user can manipulate them using \fB{get,set}fattr\fR
-utilities. The default is \fBnone\fR.
+utilities. The default is \fBxattr\fR on Linux, \fBnone\fR on other OSes.
 .TP
 .B force
 This mount option is not used anymore. It was superseded by the

src/ntfs-3g.c

@@ -1702,7 +1702,11 @@ static int ntfs_fuse_init(void)
 	*ctx = (ntfs_fuse_context_t) {
 		.uid     = getuid(),
 		.gid     = getgid(),
+#if defined(linux)			
+		.streams = NF_STREAMS_INTERFACE_XATTR,
+#else			
 		.streams = NF_STREAMS_INTERFACE_NONE,
+#endif			
 		.atime   = ATIME_RELATIVE,
 		.silent  = TRUE,
 		.recover = TRUE