Documentation/: it's -> its where appropriate

Fix obvious cases of "it's" being used when "its" was meant.

Signed-off-by: Francis Galiegue <fgaliegue@gmail.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/Documentation/filesystems/fuse.txt b/Documentation/filesystems/fuse.txt
index 397a41a..13af4a4 100644
--- a/Documentation/filesystems/fuse.txt
+++ b/Documentation/filesystems/fuse.txt
@@ -91,7 +91,7 @@
 'default_permissions'
 
   By default FUSE doesn't check file access permissions, the
-  filesystem is free to implement it's access policy or leave it to
+  filesystem is free to implement its access policy or leave it to
   the underlying file access mechanism (e.g. in case of network
   filesystems).  This option enables permission checking, restricting
   access based on file mode.  It is usually useful together with the
@@ -171,7 +171,7 @@
 the error set to EINTR.
 
 It is also possible that there's a race between processing the
-original request and it's INTERRUPT request.  There are two possibilities:
+original request and its INTERRUPT request.  There are two possibilities:
 
   1) The INTERRUPT request is processed before the original request is
      processed