* sky-gdb.c (vu_option_handler): Delete unused local unit.

* sky-gdb.c (vu_option_handler): Delete unused local unit.
(log_option_handler): Delete extra arg from printf, twice.
* sky-pke.c (config.h): Include.
(string.h, strings.h): Include.
(pke_issue): Delete unused locals imm, num
* sky-libvpe.c: Pacify GCC.
* sky-gpuif.c (gif_io_write_buffer): Pacify GCC.
* sky-dma.c (config.h): Include.
(string.h, strings.h): Include.
(dma_io_read_buffer): Pacify GCC.
(dma_io_write_buffer): Pacify GCC.  Initialize pmem before first use.
(do_dma_transfer): Delete unused local variables qwbuf and local.