Fix return types in search results for typedefs

Author: felixmulder

doc-tool/resources/_layouts/search.html

@@ -150,11 +150,15 @@ <h1>Member Results</h1>
                     .reduce(concatenateStrings, "")
             );
 
+            var returnValue = !member.returnValue ? "" : (
+                ':' + member.returnValue
+            );
+
             div.innerHTML =
                 '<div class="member-kind">'+ member.kind +'</div>' +
                 '<div class="member-name">'+ member.name +'</div>' +
-                '<div class="member-param-lists">' + paramLists + ':</div>' +
-                '<div class="member-return">'+ member.returnValue +'</div>'
+                '<div class="member-param-lists">' + paramLists + '</div>' +
+                '<div class="member-return">'+ returnValue +'</div>'
 
             li.appendChild(div);
         };