[easytag] Fix crash when failing to read FLAC headers

[David King <davidk src gnome org>]

commit 2330fa34ec0c6163aa8f47f5d75a36589234715b
Author: David King <amigadave amigadave com>
Date:   Mon Jun 15 05:51:25 2015 +0100

    Fix crash when failing to read FLAC headers
    
    Ensure that the GError passed to g_file_read() has been initialized.
    
    https://bugzilla.redhat.com/show_bug.cgi?id=1231502

 src/tags/flac_header.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/tags/flac_header.c b/src/tags/flac_header.c
index f2c1109..fee66b8 100644
--- a/src/tags/flac_header.c
+++ b/src/tags/flac_header.c
@@ -60,7 +60,7 @@ et_flac_header_read_file_info (GFile *file,
         return FALSE;
     }
 
-    istream = g_file_read (file, NULL, &state.error);
+    istream = g_file_read (file, NULL, error);
 
     if (istream == NULL)
     {