switch lib download site to download.racket-lang.org

src/gracket/Makefile.in

@@ -70,7 +70,7 @@ LINKRESULT_wx_mac = GRacket@CGC@.app/Contents/MacOS/GRacket@CGC@
 LINKRESULT = $(LINKRESULT_@WXVARIANT@)
 
 # Incremented each time the binaries change:
-DOWNLOAD_BIN_VERSION = 3
+DOWNLOAD_BIN_VERSION = 1
 
 bin:
 	$(MAKE) @MAIN_VARIANT@

src/gracket/get-libs.rkt

@@ -18,8 +18,8 @@
    (src-dir dest-dir)
    (values src-dir dest-dir)))
 
-(define url-host "github.com")
-(define url-path "/mflatt/gracket-libs/raw/master/")
+(define url-host "download.racket-lang.org")
+(define url-path "/libs/1/")
 (define url-base (string-append "http://" url-host url-path))
 
 (define needed-files+sizes