Add the missing <p> to make OkHttpRequestor javadoc work

Author: zjiuyang

src/main/java/com/dropbox/core/http/OkHttp3Requestor.java

@@ -74,6 +74,7 @@ public static OkHttpClient.Builder defaultOkHttpClientBuilder() {
      *     .build();
      * </pre>
      *
+     * <p>
      * If you don't use {@link #defaultOkHttpClient()} or {@link #defaultOkHttpClientBuilder()},
      * make sure to use Dropbox's hardened SSL settings from {@link SSLConfig}:
      * </p>

src/main/java/com/dropbox/core/http/OkHttpRequestor.java

@@ -67,6 +67,7 @@ public static OkHttpClient defaultOkHttpClient() {
      * HttpRequestor requestor = new OkHttpRequestor(client);
      * </pre>
      *
+     * <p>
      * If you don't use {@link #defaultOkHttpClient()}, make sure to use Dropbox's
      * hardened SSL settings from {@link SSLConfig}:
      * </p>