update games/ja2-stracciatella

Index: Makefile
===================================================================
RCS file: /cvs/ports/games/ja2-stracciatella/Makefile,v
retrieving revision 1.3
diff -u -p -r1.3 Makefile
--- Makefile 26 Jul 2017 22:45:21 -0000 1.3
+++ Makefile 13 Apr 2018 10:51:37 -0000
@@ -29,6 +29,8 @@ USE_GMAKE = Yes
MAKE_FLAGS = Q= WITH_UNITTESTS=0 WITH_DEBUGINFO=1 \
CXX=c++

+MAKE_ENV = CXXFLAGS="${CXXFLAGS} -std=c++03"
+
NO_TEST = Yes

# strip BOM, gcc 4.2.1 doesn't understand it
Hi,
here an update proposal for this port.

Regards.