[PATCH] Fix typo in 'EXPERIMENTAL' in CC_STACKPROTECTOR on x86_64

Fix typo in 'EXPERIMENTAL' in config CC_STACKPROTECTOR in arch/x86_64/Kconfig.
Signed-off-by: NBrice Goglin <brice@myri.com>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

arch/x86_64/Kconfig

@@ -584,7 +584,7 @@ config SECCOMP
 	  If unsure, say Y. Only embedded should say N here.
 
 config CC_STACKPROTECTOR
-	bool "Enable -fstack-protector buffer overflow detection (EXPRIMENTAL)"
+	bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
 	help
          This option turns on the -fstack-protector GCC feature. This