findbugs: don't locally store return result before immediately returning it

src/main/java/com/owncloud/android/datamodel/OCFile.java

@@ -665,19 +665,16 @@ public class OCFile implements Parcelable, Comparable<OCFile>, ServerFileInterfa
 
     @Override
     public int hashCode() {
-        int result = (int) (mId ^ (mId >>> 32));
-        result = 31 * result + (int) (mParentId ^ (mParentId >>> 32));
-        return result;
+        return 31 * (int) (mId ^ (mId >>> 32)) + (int) (mParentId ^ (mParentId >>> 32));
     }
 
     @Override
     public String toString() {
         String asString = "[id=%s, name=%s, mime=%s, downloaded=%s, local=%s, remote=%s, " +
                 "parentId=%s, availableOffline=%s etag=%s favourite=%s]";
-        asString = String.format(asString, mId, getFileName(), mMimeType, isDown(),
+        return String.format(asString, mId, getFileName(), mMimeType, isDown(),
                 mLocalPath, mRemotePath, mParentId, mAvailableOffline,
                 mEtag, mIsFavorite);
-        return asString;
     }
 
     public String getEtag() {