sas.dll is not included to Windows 8 SDK. Use one from from Windows 7 SDK instead.

remoting/candle_and_light.py

Index: remoting/candle_and_light.py
diff --git a/remoting/candle_and_light.py b/remoting/candle_and_light.py
index 4416a8390f6d5153b2fc904ad117038f815d38c9..1fad3e045f3c3951da2b9d3763ca939bb5d16db6 100755
--- a/remoting/candle_and_light.py
+++ b/remoting/candle_and_light.py
@@ -25,7 +25,7 @@ def main():
   parser.add_option('--version', dest='version')
   parser.add_option('--product_dir', dest='product_dir')
   parser.add_option('--intermediate_dir', dest='intermediate_dir')
-  parser.add_option('--platformsdk_path', dest='platformsdk_path')
+  parser.add_option('--sas_dll_path', dest='sas_dll_path')
   parser.add_option('-d', dest='define_list', action='append')
   parser.add_option('--input', dest='input')
   parser.add_option('--output', dest='output')
@@ -45,7 +45,7 @@ def main():
       '-dVersion=%(version)s '
       '-dFileSource=%(product_dir)s '
       '-dIconPath=resources/chromoting.ico '
-      '-dSasDllPath=%(platformsdk_path)s/redist/x86/sas.dll '
+      '-dSasDllPath=%(sas_dll_path)s/sas.dll '
       '%(defines)s '
       )