package/clamav: select musl-fts if not glibc

By selecting musl-fts, a build failure on internal fts is avoided

Fixes:
 - http://autobuild.buildroot.org/results/8f0d45202c9a7dbb4d0c7431040384990f04008b

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/clamav/Config.in

@@ -7,6 +7,7 @@ config BR2_PACKAGE_CLAMAV
 	select BR2_PACKAGE_LIBCURL
 	select BR2_PACKAGE_LIBMSPACK
 	select BR2_PACKAGE_LIBTOOL
+	select BR2_PACKAGE_MUSL_FTS if !BR2_TOOLCHAIN_USES_GLIBC
 	select BR2_PACKAGE_OPENSSL
 	select BR2_PACKAGE_ZLIB
 	help

package/clamav/clamav.mk

@@ -25,10 +25,16 @@ CLAMAV_CONF_ENV = \
 	have_cv_ipv6=yes
 
 ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
-CLAMAV_CONF_ENV += LIBS=-latomic
+CLAMAV_LIBS += -latomic
 endif
 
-# UCLIBC_HAS_FTS is disabled, therefore disable fanotify (missing fts.h)
+ifeq ($(BR2_TOOLCHAIN_USES_GLIBC),)
+CLAMAV_DEPENDENCIES += musl-fts
+CLAMAV_LIBS += -lfts
+endif
+
+CLAMAV_CONF_ENV += LIBS="$(CLAMAV_LIBS)"
+
 CLAMAV_CONF_OPTS = \
 	--with-dbdir=/var/lib/clamav \
 	--with-ltdl-include=$(STAGING_DIR)/usr/include \
@@ -40,7 +46,6 @@ CLAMAV_CONF_OPTS = \
 	--disable-zlib-vcheck \
 	--disable-rpath \
 	--disable-clamav \
-	--disable-fanotify \
 	--disable-milter \
 	--disable-llvm \
 	--disable-clamdtop \