clamav: use new gettext logic

This commit switches to use the new gettext logic, which involves:

 - using TARGET_NLS_DEPENDENCIES instead of hand-encoded dependencies
   on gettext/host-gettext

 - dropping BR2_PACKAGE_GETTEXT selection

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/clamav/Config.in

@@ -2,7 +2,6 @@ config BR2_PACKAGE_CLAMAV
 	bool "clamav"
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_USE_MMU # fork()
-	select BR2_PACKAGE_GETTEXT if BR2_NEEDS_GETTEXT_IF_LOCALE
 	select BR2_PACKAGE_LIBTOOL
 	select BR2_PACKAGE_OPENSSL
 	select BR2_PACKAGE_ZLIB

package/clamav/clamav.mk

@@ -15,7 +15,7 @@ CLAMAV_DEPENDENCIES = \
 	libtool \
 	openssl \
 	zlib \
-	$(if $(BR2_NEEDS_GETTEXT_IF_LOCALE),gettext)
+	$(TARGET_NLS_DEPENDENCIES)
 
 # mmap cannot be detected when cross-compiling, needed for mempool support
 CLAMAV_CONF_ENV = \