package/w_scan: needs kernel headers >= 3.3

w_scan needs SYS_DVBC_ANNEX_C, introduced in Linux 3.3.

Fixes:
    http://autobuild.buildroot.net/results/143/143960dc6de5377567dd2a383becc5a7bca90b41/

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/w_scan/Config.in

@@ -1,9 +1,9 @@
 comment "w_scan needs a toolchain w/ headers >= 3.0"
-	depends on !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0
+	depends on !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_3
 
 config BR2_PACKAGE_W_SCAN
 	bool "w_scan"
-	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0
+	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_3
 	select BR2_PACKAGE_LIBICONV if !BR2_ENABLE_LOCALE
 	help
 	  w_scan is a small command line utility used to perform frequency