Revise C++ coding style using clang-format

Run the `Utilities/Scripts/clang-format.bash` script to update
all our C++ code to a new style defined by `.clang-format`.
Use `clang-format` version 3.8.

* If you reached this commit for a line in `git blame`, re-run the blame
  operation starting at the parent of this commit to see older history
  for the content.

* See the parent commit for instructions to rebase a change across this
  style transition commit.

1 files changed, 4 insertions, 1 deletions

diff --git a/Tests/RunCMake/ClangTidy/main.c b/Tests/RunCMake/ClangTidy/main.c
index 78f2de106c..8488f4e58f 100644
--- a/Tests/RunCMake/ClangTidy/main.c
+++ b/Tests/RunCMake/ClangTidy/main.c
@@ -1 +1,4 @@
-int main(void) { return 0; }
+int main(void)
+{
+  return 0;
+}