Below warnings are fixed. 1- A function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes] 2- error: variable set but not used [-Werror,-Wunused-but-set-variable] Signed-off-by: Erhan Kurubas <erhan.kurubas@espressif.com> Change-Id: I1cf14b8e5e3e732ebc9cacc4b1cb9009276a8ea9 Reviewed-on: https://review.openocd.org/c/openocd/+/7569 Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com> Tested-by: jenkins