rabbitmq_prelaunch: Ignore SIGINFO and SIGWINCH

[Why]
We don't have handlers for these signals and this causes a message to be
logged.

Author: dumbbell

deps/rabbitmq_prelaunch/src/rabbit_prelaunch_sighandler.erl

@@ -28,7 +28,15 @@
           %% we can't handle SIGCONT, the signal used to resume the
           %% program. Unfortunately, it makes a SIGTSTP handler less
           %% useful here.
-          sigtstp => ignore
+          sigtstp => ignore,
+
+          %% SIGINFO is triggered on *BSD systems by Ctrl+T to query the status
+          %% of the program. Things like the progress of a task.
+          siginfo => ignore,
+
+          %% SIGWINCH is triggered when the terminal window size changes to
+          %% allow the prograp to redraw its output.
+          sigwinch => ignore
          }).
 
 -define(SIGNAL_HANDLED_BY_ERLANG(Signal),