HADOOP-8912. Adding missing CHANGES.txt changes in the previous commit 1397437.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1397438 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -309,6 +309,9 @@ Release 2.0.3-alpha - Unreleased
     HADOOP-8911. CRLF characters in source and text files.
     (Raja Aluri via suresh)
 
+    HADOOP-8912. Add .gitattributes file to prevent CRLF and LF mismatches
+    for source and text files. (Raja Aluri via suresh)
+
   OPTIMIZATIONS
 
     HADOOP-8866. SampleQuantiles#query is O(N^2) instead of O(N). (Andrew Wang