Fix ftbfs

Signed-off-by: Andrew Randrianasulu <randrianasulu@gmail.com>

libkdcraw/dcraw/dcraw.c

@@ -3858,7 +3858,7 @@ void CLASS vng_interpolate()
     signed char y1, x1, y2, x2, weight;
     unsigned char grads;
   };
-  static const interpolate_terms terms[] = {
+  static const struct interpolate_terms terms[] = {
     -2,-2,+0,-1,0,0x01, -2,-2,+0,+0,1,0x01, -2,-1,-1,+0,0,0x01,
     -2,-1,+0,-1,0,0x02, -2,-1,+0,+0,0,0x03, -2,-1,+0,+1,1,0x01,
     -2,+0,+0,-1,0,0x06, -2,+0,+0,+0,1,0x02, -2,+0,+0,+1,0,0x03,
@@ -3882,7 +3882,7 @@ void CLASS vng_interpolate()
     +1,-1,+1,+1,0,0x88, +1,+0,+1,+2,0,0x08, +1,+0,+2,-1,0,0x40,
     +1,+0,+2,+1,0,0x10
   };
-  const interpolate_terms *cpt;
+  const struct interpolate_terms *cpt;
   signed char *cp;
   signed char chood[] = { -1,-1, -1,0, -1,+1, 0,+1, +1,+1, +1,0, +1,-1, 0,-1 };
   ushort (*brow[5])[4], *pix;