staging: spectra: Kconfig: add missing '.'

All help messages end with full stop.

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/spectra/Kconfig b/drivers/staging/spectra/Kconfig
index 5e2ffef..67f7a37 100644
--- a/drivers/staging/spectra/Kconfig
+++ b/drivers/staging/spectra/Kconfig
@@ -5,7 +5,7 @@
 	default n
 	---help---
 	  Enable the FTL pseudo-filesystem used with the NAND Flash
-	  controller on Intel Moorestown Platform to pretend to be a disk
+	  controller on Intel Moorestown Platform to pretend to be a disk.
 
 choice
 	prompt "Compile for"