Remove 'ctor-dtor-privacy' warning, as it's not very usefull.
diff --git a/core/config.mk b/core/config.mk
index ec4c3ac..77239cd 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -78,7 +78,7 @@
COMMON_GLOBAL_CFLAGS:= -DANDROID -fmessage-length=0 -W -Wall -Wno-unused -Winit-self -Wpointer-arith
COMMON_RELEASE_CFLAGS:= -DNDEBUG -UDEBUG
-COMMON_GLOBAL_CPPFLAGS:= $(COMMON_GLOBAL_CFLAGS) -Wsign-promo -Wctor-dtor-privacy
+COMMON_GLOBAL_CPPFLAGS:= $(COMMON_GLOBAL_CFLAGS) -Wsign-promo
COMMON_RELEASE_CPPFLAGS:= $(COMMON_RELEASE_CFLAGS)
# Set the extensions used for various packages