Fix color for links in item-info

Author: GuillaumeGomez

src/librustdoc/html/static/css/rustdoc.css

@@ -1069,6 +1069,10 @@ so that we can apply CSS-filters to change the arrow color in themes */
 	font-weight: normal;
 }
 
+.stab a {
+	color: inherit;
+}
+
 .stab .emoji {
 	font-size: 1.25rem;
 	margin-right: 0.3rem;