package/netsniff: fix missing depend on statements

Add missing architecture dependencies inherited from liburcu.

Fixes:
  http://autobuild.buildroot.org/results/0a9/0a90d7c8f523b90b8a4ca6312ab4835547590fb2/

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/netsniff-ng/Config.in

@@ -11,14 +11,17 @@ config BR2_PACKAGE_NETSNIFF_NG
 	depends on BR2_TOOLCHAIN_USES_GLIBC
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on !BR2_TOOLCHAIN_HAS_GCC_BUG_58854 # liburcu
+	depends on BR2_PACKAGE_LIBURCU_ARCH_SUPPORTS
 	help
 	  netsniff-ng is a free, performant Linux network analyzer and
 	  networking toolkit. If you will, the Swiss army knife for
 	  network packets.
 
 comment "netsniff-ng needs an (e)glibc toolchain w/ threads"
+	depends on BR2_PACKAGE_LIBURCU_ARCH_SUPPORTS
 	depends on !BR2_TOOLCHAIN_HAS_THREADS || !BR2_TOOLCHAIN_USES_GLIBC
 	depends on !BR2_TOOLCHAIN_HAS_GCC_BUG_58854
 
 comment "netsniff-ng needs a toolchain not affected by GCC bug 58854"
+	depends on BR2_PACKAGE_LIBURCU_ARCH_SUPPORTS
 	depends on BR2_TOOLCHAIN_HAS_GCC_BUG_58854