CFE_ES_RunLoop RunStatus parameter is in/out, documented as in

[skliper]

Is your feature request related to a problem? Please describe.
Documented as in:

cFE/modules/core_api/fsw/inc/cfe_es.h

Lines 362 to 366 in c4ae5b2

	** \param[in] RunStatus A pointer to a variable containing the Application's
	** desired run status. Acceptable values are:
	** \arg #CFE_ES_RunStatus_APP_RUN - \copybrief CFE_ES_RunStatus_APP_RUN
	** \arg #CFE_ES_RunStatus_APP_EXIT - \copybrief CFE_ES_RunStatus_APP_EXIT
	** \arg #CFE_ES_RunStatus_APP_ERROR - \copybrief CFE_ES_RunStatus_APP_ERROR

But set:

cFE/modules/es/fsw/src/cfe_es_api.c

Lines 540 to 545 in c4ae5b2

	* Just in case, also output the status, just in case the app looks at this.
	*/
	if (RunStatus != NULL)
	{
	*RunStatus = AppRecPtr->ControlReq.AppControlRequest;
	}

Describe the solution you'd like
Update API documentation. Description is also somewhat incomplete, since it's also a way for the app to self exit for the typical case where it's a condition in the while loop.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
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