Commander and MAVLink: Adjust stack sizes as required

src/modules/commander/commander.cpp

@@ -966,7 +966,7 @@ int commander_thread_main(int argc, char *argv[])
 
 	pthread_attr_t commander_low_prio_attr;
 	pthread_attr_init(&commander_low_prio_attr);
-	pthread_attr_setstacksize(&commander_low_prio_attr, 2600);
+	pthread_attr_setstacksize(&commander_low_prio_attr, 2400);
 
 	struct sched_param param;
 	(void)pthread_attr_getschedparam(&commander_low_prio_attr, &param);

src/modules/mavlink/module.mk

@@ -51,7 +51,7 @@ INCLUDE_DIRS	 += $(MAVLINK_SRC)/include/mavlink
 
 MAXOPTIMIZATION	 = -Os
 
-MODULE_STACKSIZE = 1024
+MODULE_STACKSIZE = 1200
 
 EXTRACXXFLAGS	= -Weffc++ -Wno-attributes -Wno-packed