x86: avcodec: Add a bunch of missing #includes for av_cold

libavcodec/x86/ac3dsp_init.c

@@ -19,6 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/attributes.h"
 #include "libavutil/mem.h"
 #include "libavutil/x86/asm.h"
 #include "libavutil/x86/cpu.h"

libavcodec/x86/rv34dsp_init.c

@@ -19,6 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/attributes.h"
 #include "libavutil/cpu.h"
 #include "libavutil/x86/asm.h"
 #include "libavutil/x86/cpu.h"

libavcodec/x86/vc1dsp_init.c

@@ -24,6 +24,7 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 
+#include "libavutil/attributes.h"
 #include "libavutil/cpu.h"
 #include "libavutil/x86/cpu.h"
 #include "libavcodec/vc1dsp.h"

libavcodec/x86/vp6dsp_init.c

@@ -20,6 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/attributes.h"
 #include "libavutil/cpu.h"
 #include "libavutil/x86/asm.h"
 #include "libavutil/x86/cpu.h"

libavcodec/x86/vp8dsp_init.c

@@ -20,6 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/attributes.h"
 #include "libavutil/cpu.h"
 #include "libavutil/mem.h"
 #include "libavutil/x86/asm.h"

libavcodec/x86/vp9dsp_init.c

@@ -20,6 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/attributes.h"
 #include "libavutil/cpu.h"
 #include "libavutil/internal.h"
 #include "libavutil/mem.h"