Merge pull request #273 from dgrove-oss/match-darwin-cflags-round1

fixes to src to prep for enabling additional compiler warnings

Signed-off-by: Daniel A. Steffen <dsteffen@apple.com>
diff --git a/PATCHES b/PATCHES
index 6863bda..c3d28b3 100644
--- a/PATCHES
+++ b/PATCHES
@@ -352,3 +352,4 @@
 [f8e71eb] APPLIED rdar://33531111
 [8947dcf] APPLIED rdar://33531111
 [5ad9208] APPLIED rdar://33531111
+[698d085] APPLIED rdar://33531111