apt: Fix case where ${B} != ${S}

Need to reference objects from ${B}.

(From OE-Core rev: 0610cf3ef864acc9ca98498b9810bcce0fbb935a)

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

meta/recipes-devtools/apt/apt.inc

@@ -18,8 +18,8 @@ inherit autotools gettext
 EXTRA_AUTORECONF = "--exclude=autopoint,autoheader"
 
 do_configure_prepend() {
-    rm -rf buildlib/config.sub
-    rm -rf buildlib/config.guess
+    rm -rf ${S}/buildlib/config.sub
+    rm -rf ${S}/buildlib/config.guess
 }
 
 # Apt wants to know the glibc version by running a binary file, which will