Revert "Fix build so we can make a Windows SDK!" (tbr)

dart.gyp

Index: dart.gyp
diff --git a/dart.gyp b/dart.gyp
index 83812609ee2ac220263e246afa8790f9459733f3..6fe14675bacbf8d84ccf0f92c35f9022feb1c262 100644
--- a/dart.gyp
+++ b/dart.gyp
@@ -3,12 +3,6 @@
 # BSD-style license that can be found in the LICENSE file.
 
 {
-  'variables': {
-    # These variables are used in the creation of the .vcproj file on 
-    # Windows.
-    'cygwin_dir': 'third_party/cygwin',
-    'msvs_cygwin_dirs': ['<(cygwin_dir)'],
-  },
   'targets': [
     {
       'target_name': 'compiler',
@@ -45,6 +39,7 @@
       'target_name': 'create_sdk',
       'type': 'none',
       'dependencies': [
+        'compiler',
         'frog',
         'runtime',
       ],