Contribs: use videolan servers for schroedinger

(cherry picked from commit c1522ae56c7779126779dc34c0672898a6144421)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

contrib/src/schroedinger/rules.mak

 # schroedinger
 
 SCHROEDINGER_VERSION := 1.0.11
-SCHROEDINGER_URL := http://diracvideo.org/download/schroedinger/schroedinger-$(SCHROEDINGER_VERSION).tar.gz
+#SCHROEDINGER_URL := http://diracvideo.org/download/schroedinger/schroedinger-$(SCHROEDINGER_VERSION).tar.gz
+SCHROEDINGER_URL := $(CONTRIB_VIDEOLAN)/schroedinger-$(SCHROEDINGER_VERSION).tar.gz
 
 PKGS += schroedinger
 ifeq ($(call need_pkg,"schroedinger-1.0"),)