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/compiler/cpp/src/parse/t_doc.h b/compiler/cpp/src/parse/t_doc.h
index bfa66ef..6bdcc29 100644
--- a/compiler/cpp/src/parse/t_doc.h
+++ b/compiler/cpp/src/parse/t_doc.h
@@ -21,15 +21,15 @@
     doc_ = doc;
     has_doc_ = true;
   }
-  
+
   const std::string& get_doc() const {
     return doc_;
   }
-  
+
   bool has_doc() {
     return has_doc_;
   }
-  
+
  private:
   std::string doc_;
   bool has_doc_;