kernel-headers: default to 2.6.33

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

toolchain/kernel-headers/Config.in

@@ -6,7 +6,7 @@ comment "Kernel Header Options"
 
 choice
 	prompt "Kernel Headers"
-	default BR2_KERNEL_HEADERS_2_6_32
+	default BR2_KERNEL_HEADERS_2_6_33
 
 	help
 	  Select the version of kernel header files you wish to use.