Fix WIND decoration, and reset dcolour in create_part

includes/powder.h

@@ -329,7 +329,7 @@ struct particle
 	int flags;
 	int tmp;
 	int tmp2;
-	int dcolour;
+	unsigned int dcolour;
 };
 typedef struct particle particle;
 

src/main.c

@@ -989,7 +989,7 @@ int parse_save(void *save, int size, int replace, int x0, int y0, unsigned char
 				// Replace invisible particles with something sensible and add decoration to hide it
 				x = (int)(parts[i-1].x+0.5f);
 				y = (int)(parts[i-1].y+0.5f);
-				parts[i-1].dcolour = 0x010101;
+				parts[i-1].dcolour = 0xFF000000;
 				parts[i-1].type = PT_DMND;
 			}
 		}

src/powder.c

@@ -709,6 +709,7 @@ inline int create_part(int p, int x, int y, int t)//the function for creating a
 	else
 		i = p;
 
+	parts[i].dcolour = 0;
 	if (t==PT_GLAS)
 	{
 		parts[i].pavg[1] = pv[y/CELL][x/CELL];