Enable reinterpre_cast checks

We seem to use reinterpret cast in a few cases unfortunately.  For the
moment, simply ignore most of them, and make it so we don't get more.

Signed-off-by: Ed Tanous <edtanous@google.com>
Change-Id: Ic860cf922576b18cdc8d51d6132f5a9cbcc1d9dc
diff --git a/.clang-tidy b/.clang-tidy
index 8a14cfa..61f2c68 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -202,6 +202,7 @@
 clang-analyzer-webkit.NoUncountedMemberChecker,
 clang-analyzer-webkit.RefCntblBaseVirtualDtor,
 cppcoreguidelines-init-variables,
+cppcoreguidelines-pro-type-reinterpret-cast,
 cppcoreguidelines-special-member-functions,
 misc-misplaced-const,
 #misc-no-recursion,