tiny rewrite, to avoid type conversion warnings

ChangeLog

@@ -1,3 +1,7 @@
+2010-11-06  Robert Larice
+ * src/frontend/help/readhelp.c :
+    tiny rewrite, to avoid type conversion warnings
+
 2010-11-06  Robert Larice
  * src/frontend/parser/lexical.c :
     minor rewrite, a local variable type change

src/frontend/help/readhelp.c

@@ -117,7 +117,8 @@ hlp_read(fplace *place)
         wl->wl_prev = end;
         end = wl;
         top->numlines++;
-        if ((i = strlen(&buf[6]) - fchanges) > top->maxcols)
+        i = (int) strlen(&buf[6]) - fchanges;
+        if (top->maxcols < i)
             top->maxcols = i;
         mof = fgets(buf, BSIZE_SP, place->fp) == NULL ? FALSE : TRUE;
     }