Fix build of ivorbis plugin of gstreamer-0.10 series applying header
code moves from gstreamer-1 series.

The diff can probably be made smaller but the intent was to match
known working gst-1.

diff -Nu a/ext/vorbis/gstvorbisdeclib.h b/ext/vorbis/gstvorbisdeclib.h
--- a/ext/vorbis/gstvorbisdeclib.h	2011-12-11 19:47:07.000000000 +0100
+++ b/ext/vorbis/gstvorbisdeclib.h	2013-01-20 18:31:37.291211764 +0100
@@ -29,11 +29,6 @@
 
 #ifndef TREMOR
 
-#include <vorbis/codec.h>
-
-typedef float                          vorbis_sample_t;
-typedef ogg_packet                     ogg_packet_wrapper;
-
 #define GST_VORBIS_DEC_DESCRIPTION "decode raw vorbis streams to float audio"
 
 #define GST_VORBIS_DEC_SRC_CAPS \
@@ -47,6 +42,42 @@
 
 #define GST_VORBIS_DEC_GLIB_TYPE_NAME      GstVorbisDec
 
+#else /* TREMOR */
+
+#define GST_VORBIS_DEC_DESCRIPTION "decode raw vorbis streams to integer audio"
+
+#define GST_VORBIS_DEC_SRC_CAPS \
+    GST_STATIC_CAPS ("audio/x-raw-int, "   \
+        "rate = (int) [ 1, MAX ], "        \
+        "channels = (int) [ 1, 6 ], "      \
+        "endianness = (int) BYTE_ORDER, "  \
+        "width = (int) { 16, 32 }, "       \
+        "depth = (int) 16, "               \
+        "signed = (boolean) true")
+
+#define GST_VORBIS_DEC_DEFAULT_SAMPLE_WIDTH           (16)
+
+/* we need a different type name here */
+#define GST_VORBIS_DEC_GLIB_TYPE_NAME      GstIVorbisDec
+
+/* and still have it compile */
+typedef struct _GstVorbisDec               GstIVorbisDec;
+typedef struct _GstVorbisDecClass          GstIVorbisDecClass;
+
+#endif /* TREMOR */
+
+#ifndef USE_TREMOLO
+
+#ifdef TREMOR
+ #include <tremor/ivorbiscodec.h>
+ typedef ogg_int32_t                    vorbis_sample_t;
+#else
+ #include <vorbis/codec.h>
+ typedef float                          vorbis_sample_t;
+#endif
+
+typedef ogg_packet                     ogg_packet_wrapper;
+
 static inline guint8 *
 gst_ogg_packet_data (ogg_packet * p)
 {
@@ -72,17 +103,11 @@
   return packet;
 }
 
-#else
-
-#ifdef USE_TREMOLO
-  #include <Tremolo/ivorbiscodec.h>
-  #include <Tremolo/codec_internal.h>
-  typedef ogg_int16_t                    vorbis_sample_t;
-#else
-  #include <tremor/ivorbiscodec.h>
-  typedef ogg_int32_t                    vorbis_sample_t;
-#endif
+#else /* USE_TREMOLO */
 
+#include <Tremolo/ivorbiscodec.h>
+#include <Tremolo/codec_internal.h>
+typedef ogg_int16_t                    vorbis_sample_t;
 typedef struct _ogg_packet_wrapper     ogg_packet_wrapper;
 
 struct _ogg_packet_wrapper {
@@ -91,26 +116,6 @@
   ogg_buffer          buf;
 };
 
-#define GST_VORBIS_DEC_DESCRIPTION "decode raw vorbis streams to integer audio"
-
-#define GST_VORBIS_DEC_SRC_CAPS \
-    GST_STATIC_CAPS ("audio/x-raw-int, "   \
-        "rate = (int) [ 1, MAX ], "        \
-        "channels = (int) [ 1, 6 ], "      \
-        "endianness = (int) BYTE_ORDER, "  \
-        "width = (int) { 16, 32 }, "       \
-        "depth = (int) 16, "               \
-        "signed = (boolean) true")
-
-#define GST_VORBIS_DEC_DEFAULT_SAMPLE_WIDTH           (16)
-
-/* we need a different type name here */
-#define GST_VORBIS_DEC_GLIB_TYPE_NAME      GstIVorbisDec
-
-/* and still have it compile */
-typedef struct _GstVorbisDec               GstIVorbisDec;
-typedef struct _GstVorbisDecClass          GstIVorbisDecClass;
-
 /* compensate minor variation */
 #define vorbis_synthesis(a, b)             vorbis_synthesis (a, b, 1)
 
@@ -154,7 +159,7 @@
   return &(packet->packet);
 }
 
-#endif
+#endif /* USE_TREMOLO */
 
 typedef void (*CopySampleFunc)(vorbis_sample_t *out, vorbis_sample_t **in,
                            guint samples, gint channels, gint width);