[easytag] Fix compilation if Speex support is disabled

[David King <davidk src gnome org>]

commit 749de0a03f8922c78d41ef79d9b22c11b6206cdf
Author: David King <amigadave amigadave com>
Date:   Fri Mar 27 14:40:49 2015 +0100

    Fix compilation if Speex support is disabled

 src/tags/vcedit.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/tags/vcedit.c b/src/tags/vcedit.c
index 2c1e26b..b42fed6 100644
--- a/src/tags/vcedit.c
+++ b/src/tags/vcedit.c
@@ -526,6 +526,9 @@ vcedit_open (EtOggState *state,
             headerpackets = 2;
 #endif
             break;
+#ifndef ENABLE_SPEEX
+        case ET_OGG_KIND_SPEEX:
+#endif
         case ET_OGG_KIND_UNKNOWN:
         default:
             g_assert_not_reached ();