config: fix typo in Global build settings menu

Signed-off-by: Daniel Golle <[email protected]>

SVN-Revision: 44163

config/Config-build.in

@@ -251,7 +251,7 @@ menu "Global build settings"
 	endchoice
 
 	choice
-		prompt "Enable buffer-overflows detction (FORTIFY_SOURCE)"
+		prompt "Enable buffer-overflows detection (FORTIFY_SOURCE)"
 		help
 		  Enable the _FORTIFY_SOURCE macro which introduces additional
 		  checks to detect buffer-overflows in the following standard library