hw/rx/rx-gdbsim: Do not accept invalid memory size

We check the amount of RAM is enough, warn when it is
not, but if so we neglect to bail out. Fix that by
adding the missing exit() call.

Fixes: bda19d7bb5 ("hw/rx: Add RX GDB simulator")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Message-Id: <20210407223056.1870497-1-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

hw/rx/rx-gdbsim.c

@@ -89,6 +89,7 @@ static void rx_gdbsim_init(MachineState *machine)
         char *sz = size_to_str(mc->default_ram_size);
         error_report("Invalid RAM size, should be more than %s", sz);
         g_free(sz);
+        exit(1);
     }
 
     /* Allocate memory space */