Fix typos in swift

Change-Id: I0982b0046a16fda0a39d9b31402b2e4b3160a5c4

swift/proxy/controllers/obj.py

@@ -2263,7 +2263,7 @@ class ECObjectController(BaseObjectController):
         for client_start, client_end in req.range.ranges:
             # TODO: coalesce ranges that overlap segments. For
             # example, "bytes=0-10,20-30,40-50" with a 64 KiB
-            # segment size will result in a a Range header in the
+            # segment size will result in a Range header in the
             # object request of "bytes=0-65535,0-65535,0-65535",
             # which is wasteful. We should be smarter and only
             # request that first segment once.

test/unit/obj/test_replicator.py

@@ -791,7 +791,7 @@ class TestObjectReplicator(unittest.TestCase):
         self.assertEqual('1', jobs[0]['partition'])
 
     def test_handoffs_first_mode_will_process_all_jobs_after_handoffs(self):
-        # make a object in the handoff & primary partition
+        # make an object in the handoff & primary partition
         expected_suffix_paths = []
         for policy in POLICIES:
             # primary