Update snapshot scripts for new stdlib name

Author: brson

src/etc/get-snapshot.py

@@ -9,7 +9,7 @@ def unpack_snapshot(snap):
   print("opening snapshot " + dl_path)
   tar = tarfile.open(dl_path)
   kernel = get_kernel()
-  for name in snapshot_files[kernel]:
+  for name in old_snapshot_files[kernel]:
     p = "rust-stage0/" + name
     fp = os.path.join("stage0", name)
     print("extracting " + fp)

src/etc/snapshot.py

@@ -15,7 +15,7 @@ def scrub(b):
 download_dir_base = "dl"
 download_unpack_base = os.path.join(download_dir_base, "unpack")
 
-snapshot_files = {
+old_snapshot_files = {
     "linux": ["bin/rustc", "lib/libstd.so",
               "lib/librustrt.so", "lib/librustllvm.so"],
     "macos": ["bin/rustc", "lib/libstd.dylib",
@@ -24,6 +24,15 @@ def scrub(b):
               "lib/rustrt.dll", "lib/rustllvm.dll"]
     }
 
+snapshot_files = {
+    "linux": ["bin/rustc", "lib/libruststd.so",
+              "lib/librustrt.so", "lib/librustllvm.so"],
+    "macos": ["bin/rustc", "lib/libruststd.dylib",
+              "lib/librustrt.dylib", "lib/librustllvm.dylib"],
+    "winnt": ["bin/rustc.exe", "lib/ruststd.dll",
+              "lib/rustrt.dll", "lib/rustllvm.dll"]
+    }
+
 def parse_line(n, line):
   global snapshotfile