casa-mp-base

Don't use -Werror

That causes newer clang compilers to fail with:

error: lambda capture 'silent' is not used [-Werror,-Wunused-lambda-capture]

--- Makefile.orig   2017-09-22 15:01:50.000000000 -0500

+++ Makefile    2017-11-14 08:24:04.000000000 -0600

@@ -18,7 +18,7 @@

 DEFINES+=-DGIT_HASH=\"$(GIT_HASH)\"

 endif

-WARNFLAGS=-Werror -Wall -Wextra -Wunreachable-code

+WARNFLAGS=-Wall -Wextra -Wunreachable-code

 INCLUDES=-Iinclude -Istfl -Ifilter -I. -Irss

 BARE_CXXFLAGS=-std=c++11 -ggdb $(INCLUDES)

 CXXFLAGS+=$(BARE_CXXFLAGS) $(WARNFLAGS) $(DEFINES)