liburi-perl: Add BBCLASSEXTEND for native version

(From OE-Core rev: cac29d930910c257293ed2165faa5397f0a5d07c)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/perl/liburi-perl_1.60.bb

@@ -25,3 +25,5 @@ do_compile() {
 	export LIBC="$(find ${STAGING_DIR_TARGET}/${base_libdir}/ -name 'libc-*.so')"
 	cpan_do_compile
 }
+
+BBCLASSEXTEND = "native"