Squashed 'third_party/gflags/' content from commit f0523f1

Change-Id: I7b525481a9f3ec3e48e6656735d06432c25dc3b9
git-subtree-dir: third_party/gflags
git-subtree-split: f0523f14a93cbb46fff9b318508aa1c6923158c7
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..87fe9c0
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,3 @@
+# treat all files in this repository as text files
+# and normalize them to LF line endings when committed
+* text