fuse: update project homepage

As stated in https://sourceforge.net/projects/fuse/, "the FUSE project has
moved to https://github.com/libfuse/" in 22-Dec-2015. Update URLs to
reflect this.

Signed-off-by: André Almeida <andrealmeid@collabora.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

Documentation/filesystems/fuse.rst

@@ -47,7 +47,7 @@ filesystems.  A good example is sshfs: a secure network filesystem
 using the sftp protocol.
 
 The userspace library and utilities are available from the
-`FUSE homepage: <http://fuse.sourceforge.net/>`_
+`FUSE homepage: <https://github.com/libfuse/>`_
 
 Filesystem type
 ===============

MAINTAINERS

@@ -7173,7 +7173,7 @@ FUSE: FILESYSTEM IN USERSPACE
 M:	Miklos Szeredi <miklos@szeredi.hu>
 L:	linux-fsdevel@vger.kernel.org
 S:	Maintained
-W:	http://fuse.sourceforge.net/
+W:	https://github.com/libfuse/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git
 F:	Documentation/filesystems/fuse.rst
 F:	fs/fuse/

fs/fuse/Kconfig

@@ -8,7 +8,7 @@ config FUSE_FS
 
 	  There's also a companion library: libfuse2.  This library is available
 	  from the FUSE homepage:
-	  <http://fuse.sourceforge.net/>
+	  <https://github.com/libfuse/>
 	  although chances are your distribution already has that library
 	  installed if you've installed the "fuse" package itself.