gdp: Make code safe for -Wredundant-decls

Adds that warning to configure.ac

Includes a tiny change of the GST_BOILERPLATE_FULL() macro:
The get_type() function is no longer declared before being defined.

https://bugzilla.gnome.org/show_bug.cgi?id=611692

diff --git a/gst/gdp/dp-private.h b/gst/gdp/dp-private.h
index 18834c2..174a334 100644 (file)
--- a/gst/gdp/dp-private.h
+++ b/gst/gdp/dp-private.h
@@ -44,7 +44,6 @@ G_BEGIN_DECLS
 #define GST_DP_HEADER_CRC_HEADER(x)     GST_READ_UINT16_BE (x + 58)
 #define GST_DP_HEADER_CRC_PAYLOAD(x)    GST_READ_UINT16_BE (x + 60)
 
-void gst_dp_init (void);
 void gst_dp_dump_byte_array (guint8 *array, guint length);
 
 G_END_DECLS