Inline the function command_retval_set(), called only once. No functional changes. Change-Id: I4478002adf92c2328e4879019020de5d1dfe89c8 Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com> Reviewed-on: https://review.openocd.org/c/openocd/+/9083 Tested-by: jenkins