[CIFS] Make CONFIG_CIFS_EXPERIMENTAL depend on CONFIG_EXPERIMENTAL

It seems logical.

Note that CONFIG_EXPERIMENTAL itself doesn't enable any code.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/Kconfig b/fs/Kconfig
index 01a2952..c9c4108 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -1639,7 +1639,7 @@
 
 config CIFS_EXPERIMENTAL
 	  bool "CIFS Experimental Features (EXPERIMENTAL)"
-	  depends on CIFS
+	  depends on CIFS && EXPERIMENTAL
 	  help
 	    Enables cifs features under testing. These features
 	    are highly experimental.  If unsure, say N.