package/clamav: needs wchar

Fixes
http://autobuild.buildroot.net/results/77c/77cd536a0fab78eabe27e055d28db2da354008d7/

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/clamav/Config.in

@@ -3,6 +3,7 @@ config BR2_PACKAGE_CLAMAV
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_USE_MMU # fork()
+	depends on BR2_USE_WCHAR
 	select BR2_PACKAGE_LIBTOOL
 	select BR2_PACKAGE_OPENSSL
 	select BR2_PACKAGE_ZLIB
@@ -12,6 +13,7 @@ config BR2_PACKAGE_CLAMAV
 
 	  http://www.clamav.net
 
-comment "clamav needs a toolchain w/ C++, threads"
-	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS
+comment "clamav needs a toolchain w/ C++, threads, wchar"
+	depends on !BR2_INSTALL_LIBSTDCPP \
+		|| !BR2_TOOLCHAIN_HAS_THREADS || !BR2_USE_WCHAR
 	depends on BR2_USE_MMU