[easytag/easytag-2-2] Fix string leak when reading WavPack tags

[David King <davidk src gnome org>]

commit a7250d53e8d4e782043e14de6f35cb54982326da
Author: David King <amigadave amigadave com>
Date:   Sun Dec 21 22:33:25 2014 +0000

    Fix string leak when reading WavPack tags

 src/wavpack_tag.c |   26 ++++++++++++++++++++++----
 1 files changed, 22 insertions(+), 4 deletions(-)
---
diff --git a/src/wavpack_tag.c b/src/wavpack_tag.c
index 243cce1..c78cc3b 100644
--- a/src/wavpack_tag.c
+++ b/src/wavpack_tag.c
@@ -138,11 +138,20 @@ gboolean Wavpack_Tag_Read_File_Tag (gchar *filename, File_Tag *FileTag)
 
     if (field2 && FileTag->disc_total == NULL)
     {
-        FileTag->disc_total = et_disc_number_to_string (atoi (Try_To_Validate_Utf8_String (field2)));
+        gchar *tmp;
+
+        tmp = Try_To_Validate_Utf8_String (field2);
+        FileTag->disc_total = et_disc_number_to_string (atoi (tmp));
+        g_free (tmp);
     }
+
     if (length > 0 && FileTag->disc_number == NULL)
     {
-        FileTag->disc_number = et_disc_number_to_string (atoi (Try_To_Validate_Utf8_String (field)));
+        gchar *tmp;
+
+        tmp = Try_To_Validate_Utf8_String (field);
+        FileTag->disc_number = et_disc_number_to_string (atoi (tmp));
+        g_free (tmp);
     }
 
     memset (field, '\0', MAXLEN);
@@ -172,11 +181,20 @@ gboolean Wavpack_Tag_Read_File_Tag (gchar *filename, File_Tag *FileTag)
 
     if (field2 && FileTag->track_total == NULL)
     {
-        FileTag->track_total = et_track_number_to_string (atoi (Try_To_Validate_Utf8_String (field2)));
+        gchar *tmp;
+
+        tmp = Try_To_Validate_Utf8_String (field2);
+        FileTag->track_total = et_track_number_to_string (atoi (tmp));
+        g_free (tmp);
     }
+
     if (length > 0 && FileTag->track == NULL)
     {
-        FileTag->track = et_track_number_to_string (atoi (Try_To_Validate_Utf8_String (field)));
+        gchar *tmp;
+
+        tmp = Try_To_Validate_Utf8_String (field);
+        FileTag->track = et_track_number_to_string (atoi (tmp));
+        g_free (tmp);
     }
 
     memset (field, '\0', MAXLEN);