close an opened stream

Author: kohsuke

src/main/java/org/kohsuke/github/GHRelease.java

@@ -126,7 +126,12 @@ static GHRelease[] wrap(GHRelease[] releases, GHRepository owner) {
      * handling of the HTTP requests to github's API.
          */
     public GHAsset uploadAsset(File file, String contentType) throws IOException {
-        return uploadAsset(file.getName(), new FileInputStream(file), contentType);
+        FileInputStream s = new FileInputStream(file);
+        try {
+            return uploadAsset(file.getName(), s, contentType);
+        } finally {
+            s.close();
+        }
     }
 
     public GHAsset uploadAsset(String filename, InputStream stream, String contentType) throws IOException {