Make sure empty [:input] doesn't throw exception

src/reagent/impl/template.cljs

@@ -168,6 +168,7 @@
   ;; Don't rely on React for updating "controlled inputs", since it
   ;; doesn't play well with async rendering (misses keystrokes).
   (if (and (some? find-dom-node)
+           (some? jsprops)
            ($ jsprops hasOwnProperty "onChange")
            ($ jsprops hasOwnProperty "value"))
     (let [v ($ jsprops :value)

test/reagenttest/testreagent.cljs

@@ -952,3 +952,7 @@
         (is (= (.-innerHTML @ref) "foobar"))
         (is (= (.-innerHTML @node) "foobar"))
         (is (identical? @ref @node))))))
+
+(deftest test-empty-input
+  (is (= "<div><input/></div>"
+         (rstr [:div [:input]]))))