gcc -Wall -Werror safe

* anchor.c (addMultirowsImg): unused variable: fi
* display.c (redrawLineImage): unused variable: ncol
* file.c (process_img): uninitialized variables: r2, ni, w0, i0, ismap
		unused variable: url, ext
* file.c (loadHTMLstream): need volatile image_flag
* image.c (image_index): int
* image.c (getCharSize): need prototype
* image.c (getImage): uninitialized variable: key
		return NULL
* map.c (follow_map_menu): used only USE_IMAGE: px, py, map
* map.c (newMapArea): used only USE_IMAGE: p, i, max
* proto.h (addMultirowsImg): added
* w3mimgdisplay.c (main): format string fix
* w3mimgdisplay.c (DrawImage): need (Pixmap) cast

* inflate.c: indent
From: Fumitoshi UKAI  <ukai@debian.or.jp>

map.c

@@ -1,4 +1,4 @@
-/* $Id: map.c,v 1.5 2002/01/31 17:54:52 ukai Exp $ */
+/* $Id: map.c,v 1.6 2002/01/31 18:28:24 ukai Exp $ */
 /*
  * client-side image maps
  */
@@ -69,7 +69,9 @@ follow_map_menu(Buffer *buf, struct parsed_tagarg *arg, Anchor *a_img, int x,
     char *name;
     int i, n, selected = -1, initial;
     char **label;
+#ifdef USE_IMAGE
     int px, py, map = 0;
+#endif
 
     name = tag_get_value(arg, "link");
     if (name == NULL)
@@ -195,8 +197,10 @@ newMapArea(char *url, char *alt, char *shape, char *coords)
 {
     MapArea *a = New(MapArea);
 #ifdef MENU_MAP
+#ifdef USE_IMAGE
     char *p;
     int i, max;
+#endif
 #endif
 
     a->url = url;