Add DragonFlyBSD to list of recognized platforms.

pylib/gyp/common_test.py

Index: pylib/gyp/common_test.py
diff --git a/pylib/gyp/common_test.py b/pylib/gyp/common_test.py
index dac29692b8640765cb7680d4cb95a94e51734a5f..7fbac09d0fe2fcadeb9f5b34e59502fcc199d098 100755
--- a/pylib/gyp/common_test.py
+++ b/pylib/gyp/common_test.py
@@ -56,12 +56,13 @@ class TestGetFlavor(unittest.TestCase):
     self.assertEqual(expected, gyp.common.GetFlavor(param))
 
   def test_platform_default(self):
-    self.assertFlavor('freebsd', 'freebsd9' , {})
-    self.assertFlavor('freebsd', 'freebsd10', {})
-    self.assertFlavor('solaris', 'sunos5'   , {});
-    self.assertFlavor('solaris', 'sunos'    , {});
-    self.assertFlavor('linux'  , 'linux2'   , {});
-    self.assertFlavor('linux'  , 'linux3'   , {});
+    self.assertFlavor('dragonflybsd', 'dragonfly3', {})
+    self.assertFlavor('freebsd'     , 'freebsd9'  , {})
+    self.assertFlavor('freebsd'     , 'freebsd10' , {})
+    self.assertFlavor('solaris'     , 'sunos5'    , {});
+    self.assertFlavor('solaris'     , 'sunos'     , {});
+    self.assertFlavor('linux'       , 'linux2'    , {});
+    self.assertFlavor('linux'       , 'linux3'    , {});
 
   def test_param(self):
     self.assertFlavor('foobar', 'linux2' , {'flavor': 'foobar'})