cahnge to input stream

src/main/java/gov/usgs/earthquake/nshmp/www/SwaggerUIController.java

 package gov.usgs.earthquake.nshmp.www;
 
-import java.io.BufferedInputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.net.URL;
 import java.nio.charset.StandardCharsets;
 import java.util.Optional;
@@ -112,9 +112,10 @@ public class SwaggerUIController {
 
   private String getResourceString(String path) throws IOException {
     Optional<URL> resource = loader.getResource(path);
+    resource.get().getContent();
 
     return IOUtils.toString(
-        (BufferedInputStream) resource.orElseThrow().getContent(),
+        (InputStream) resource.orElseThrow().getContent(),
         StandardCharsets.UTF_8);
   }
 }