hardening: enable format security checking by default

Signed-off-by: Steven Barth <[email protected]>

SVN-Revision: 46003

config/Config-build.in

@@ -211,7 +211,7 @@ menu "Global build settings"
 	config PKG_CHECK_FORMAT_SECURITY
 		bool
 		prompt "Enable gcc format-security"
-		default n
+		default y
 		help
 		  Add -Wformat -Werror=format-security to the CFLAGS.  You can disable
 		  this per package by adding PKG_CHECK_FORMAT_SECURITY:=0 in the package