audiodsp: x86: Remove pointless header file

Its single forward declaration can be moved to the only place
it is used, like is done for all other dsp init files.

libavcodec/x86/audiodsp.h

-/*
- * This file is part of Libav.
- *
- * Libav is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * Libav is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef AVCODEC_X86_AUDIODSP_H
-#define AVCODEC_X86_AUDIODSP_H
-
-void ff_vector_clipf_sse(float *dst, const float *src,
-                         int len, float min, float max);
-
-#endif /* AVCODEC_X86_AUDIODSP_H */

libavcodec/x86/audiodsp_init.c

@@ -23,7 +23,6 @@
 #include "libavutil/cpu.h"
 #include "libavutil/x86/cpu.h"
 #include "libavcodec/audiodsp.h"
-#include "audiodsp.h"
 
 int32_t ff_scalarproduct_int16_mmxext(const int16_t *v1, const int16_t *v2,
                                       int order);
@@ -39,6 +38,9 @@ void ff_vector_clip_int32_int_sse2(int32_t *dst, const int32_t *src,
 void ff_vector_clip_int32_sse4(int32_t *dst, const int32_t *src,
                                int32_t min, int32_t max, unsigned int len);
 
+void ff_vector_clipf_sse(float *dst, const float *src,
+                         int len, float min, float max);
+
 av_cold void ff_audiodsp_init_x86(AudioDSPContext *c)
 {
     int cpu_flags = av_get_cpu_flags();