contrib: dvbpsi has config.* in a custom dir

(cherry picked from commit d62d0e3f8f2cb96c755bf8e0666bf4dc248b827d)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

contrib/src/dvbpsi/rules.mak

@@ -15,7 +15,7 @@ $(TARBALLS)/libdvbpsi-$(DVBPSI_VERSION).tar.bz2:
 
 libdvbpsi: libdvbpsi-$(DVBPSI_VERSION).tar.bz2 .sum-dvbpsi
 	$(UNPACK)
-	$(UPDATE_AUTOCONFIG)
+	$(UPDATE_AUTOCONFIG) && cd $(UNPACK_DIR) && mv config.guess config.sub .auto
 	$(MOVE)
 
 .dvbpsi: libdvbpsi