Thrift: Whitespace cleanup.

Summary:
- Expanded tabs to spaces where spaces were the norm.
- Deleted almost all trailing whitespace.
- Added newlines to the ends of a few files.
- Ran dos2unix on one file or two.

Reviewed By: mcslee

Test Plan: git diff -b

Revert Plan: ok


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665467 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/cocoa/src/TException.m b/lib/cocoa/src/TException.m
index 33ed7b5..48d9090 100644
--- a/lib/cocoa/src/TException.m
+++ b/lib/cocoa/src/TException.m
@@ -37,7 +37,7 @@
   if ([self userInfo] != nil) {
     [result appendFormat: @"\n  userInfo = %@", [self userInfo]];
   }
-  
+
   return result;
 }