fix a bug where missing STREAMINFO fields (min/max framesize, total samples, MD5 sum) and seek point offsets were not getting rewritten back to Ogg FLAC file (SF#1338969 https://sourceforge.net/tracker/index.php?func=detail&aid=1338969&group_id=13478&atid=113478)
diff --git a/src/libFLAC/ogg_helper.c b/src/libFLAC/ogg_helper.c
index 80f7528..d368fca 100644
--- a/src/libFLAC/ogg_helper.c
+++ b/src/libFLAC/ogg_helper.c
@@ -150,7 +150,7 @@
 			}
 		}
 
-		page->body_len = 255 * i + page->header[i];
+		page->body_len = 255 * i + page->header[i + OGG_HEADER_FIXED_PORTION_LEN];
 	}
 
 	/* allocate space for the page body */
@@ -199,6 +199,10 @@
 		encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
 		return false;
 	}
+	if(write_callback((FLAC__StreamEncoder*)encoder, page->body, page->body_len, 0, 0, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
+		encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
+		return false;
+	}
 
 	return true;
 }