JRE-297 Support GCC 6 in Linux build environment

Provided additional flags to compile on GCC 6
diff --git a/common/autoconf/generated-configure.sh b/common/autoconf/generated-configure.sh
index 396898d..99257c8 100644
--- a/common/autoconf/generated-configure.sh
+++ b/common/autoconf/generated-configure.sh
@@ -29785,6 +29785,7 @@
           ;;
         * )
           COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer"
+	  CXXFLAGS_JDK="$CXXFLAGS_JDK -std=gnu++98"
           CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
           ;;
       esac