lttng-modules: Fix build failure by syncing up with kernel 4.19
linux-yocto-dev has been upreved to v4.19. This patch backports a patch from
upstream to make lttng-modules sync up with linux-yocto-dev and later
linux-yocto, and fix the following do_compile error.
| tmp/work/qemux86_64-poky-linux/lttng-modules/2.10.7-r0/lttng-modules-2.10.7/probes/../probes/lttng-tracepoint-event-impl.h:143:6: error: conflict
ing types for 'trace_sock_exceed_buf_limit'
| void trace_##_name(_proto);
| ^~~~~~
Signed-off-by: He Zhe <zhe.he@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
