Added original source code

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>

WOLFSRC/MUNGE.C

@@ -0,0 +1,48 @@
+
+/*
+=================
+=
+= VL_MungePic
+=
+=================
+*/
+
+void VL_MungePic (unsigned char far *source, unsigned width, unsigned height)
+{
+	unsigned	x,y,plane,size,pwidth;
+	unsigned char	far *temp, far *dest, far *srcline;
+
+	size = width*height;
+
+	if (width&3)
+		errout ("VL_MungePic: Not divisable by 4!\n");
+
+//
+// copy the pic to a temp buffer
+//
+	temp = (unsigned char far *)farmalloc (size);
+	if (!temp)
+		errout ("Non enough memory for munge buffer!\n");
+
+	_fmemcpy (temp,source,size);
+
+//
+// munge it back into the original buffer
+//
+	dest = source;
+	pwidth = width/4;
+
+	for (plane=0;plane<4;plane++)
+	{
+		srcline = temp;
+		for (y=0;y<height;y++)
+		{
+			for (x=0;x<pwidth;x++)
+				*dest++ = *(srcline+x*4+plane);
+			srcline+=width;
+		}
+	}
+
+	free (temp);
+}
+