lynx-dev follow link bug fix

[Laura Eaves]

Try the following patch against dev19.
The problem was that I (dangerously) set newdoc.line in mainloop()
befor calling follow_link_number().  Fix was to pass this number
a different way so as not to touch newdoc....
The current fix should now be safe.
--le
Index: LYForms.c
--- old/LYForms.c       Thu Mar  4 03:39:46 1999
+++ src/LYForms.c       Thu Mar  4 13:10:16 1999
@@ -552,6 +552,8 @@
     default:
        *c = *p++;
        *rel = *p;
+    case 0:
+       break;
     }
 
     /*
Index: LYGetFile.c
--- old/LYGetFile.c     Thu Mar  4 03:39:46 1999
+++ src/LYGetFile.c     Fri Mar  5 11:24:07 1999
@@ -948,6 +948,7 @@
     int rel = 0;
     int new_top, new_link;
     BOOL want_go;
+    int curline = *num; /* passed in from mainloop() */
 
     CTRACE(tfp,"follow_link_number(%d,%d,...)\n",c,cur);
     temp[0] = c;
@@ -972,6 +973,8 @@
        break;
     default:
        rel = *++p;
+    case 0:
+       break;
     }
     /* don't currently check for errors typing suffix */
 
@@ -985,7 +988,6 @@
        int npages = ((nlines + 1) > display_lines) ?
                (((nlines + 1) + (display_lines - 1))/(display_lines))
                                                    : 1;
-       int curline = doc->line; /* passed from mainloop() */
        int curpage = ((curline + 1) > display_lines) ?
                     (((curline + 1) + (display_lines - 1))/(display_lines))
                                                      : 1;
Index: LYMainLoop.c
--- old/LYMainLoop.c    Thu Mar  4 03:39:46 1999
+++ src/LYMainLoop.c    Fri Mar  5 11:20:40 1999
@@ -1830,7 +1830,7 @@
            /* pass cur line num for use in follow_link_number()
             * Note: Current line may not equal links[cur].line
             */
-           newdoc.line = curdoc.line;
+           number = curdoc.line;
            switch (follow_link_number(c, lindx, &newdoc, &number)) {
            case DO_LINK_STUFF:
                /*