[sixel] clean up warnings from merge :(

src/lib/render.c

@@ -931,8 +931,11 @@ int sprite_kitty_annihilate(const notcurses* nc, const ncpile* p, FILE* out, spr
 }
 
 int sprite_sixel_annihilate(const notcurses* nc, const ncpile* p, FILE* out, sprixel* s){
-  /*
+  (void)nc;
+  (void)p;
   (void)out;
+  (void)s;
+  /*
   struct crender* rvec = p->crender;
   // FIXME need to cap by ends minus bottom, right margins also
   const int ycap = nc->stdplane->leny + nc->margin_t;

src/lib/sixel.c

@@ -415,7 +415,7 @@ write_rle(int* printed, int color, FILE* fp, int seenrle, unsigned char crle){
 
 // Emit the sprixel in its entirety, plus enable and disable pixel mode.
 static int
-write_sixel_data(FILE* fp, int lenx, int leny, sixeltable* stab, int* parse_start, int* tacache){
+write_sixel_data(FILE* fp, int lenx, sixeltable* stab, int* parse_start, int* tacache){
   *parse_start = fprintf(fp, "\ePq");
   // Set Raster Attributes - pan/pad=1 (pixel aspect ratio), Ph=lenx, Pv=leny
   // using Ph/Pv causes a background to be drawn using color register 0 for all
@@ -502,7 +502,7 @@ int sixel_blit_inner(ncplane* nc, int leny, int lenx, sixeltable* stab,
     free(buf);
     return -1;
   }
-  if(write_sixel_data(fp, lenx, leny, stab, &parse_start, tacache)){
+  if(write_sixel_data(fp, lenx, stab, &parse_start, tacache)){
     free(tacache);
     free(buf);
     return -1;