libcurl build for Windows

Change-Id: Ie14613d36509b3f45220092c5c196b14fd4b0a10

packager/third_party/curl/curl.gyp

@@ -59,6 +59,9 @@
         }],
         ['OS == "win"', {
           'direct_dependent_settings': {
+            'defines': [
+              'CURL_DISABLE_LDAP',
+            ],
             'link_settings': {
               'libraries': [
                 '-lws2_32.lib',
@@ -77,6 +80,17 @@
             'CURL_STATICLIB',
           ],
         }],
+        ['OS == "win"', {
+          'sources': [
+            'source/lib/config-win32.h',
+            'source/lib/idn_win32.c',
+            'source/lib/system_win32.c',
+            'source/lib/system_win32.h',
+          ],
+          'defines': [
+            'BUILDING_LIBCURL',
+          ],
+        }],
       ],
       'include_dirs': [
         'source/lib',