nautilus-sendto: fix gcc6 build

srcpkgs/nautilus-sendto/template

@@ -1,7 +1,7 @@
 # Template file for 'nautilus-sendto'
 pkgname=nautilus-sendto
 version=3.8.2
-revision=3
+revision=4
 build_style=gnu-configure
 configure_args="--disable-schemas-compile"
 # XXX: add pidgin and gajim depends for plugins to work.
@@ -18,3 +18,9 @@ build_options="gir"
 if [ -z "$CROSS_BUILD" ]; then
 	build_options_default="gir"
 fi
+
+_gccver=$(gcc --version | awk '/^gcc \(GCC\)/ { print $3 }')
+if [ "${_gccver%%.*}" -gt 5 ]; then
+	CFLAGS="-Wno-error=format-nonliteral"
+fi
+