dsputil: Move STRIDE_ALIGN macro to the only place it is used

libavcodec/dsputil.h

@@ -397,10 +397,4 @@ void ff_dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx);
 void ff_dsputil_init_sh4(DSPContext* c, AVCodecContext *avctx);
 void ff_dsputil_init_vis(DSPContext* c, AVCodecContext *avctx);
 
-#if (ARCH_ARM && HAVE_NEON) || ARCH_PPC || HAVE_MMX
-#   define STRIDE_ALIGN 16
-#else
-#   define STRIDE_ALIGN 8
-#endif
-
 #endif /* AVCODEC_DSPUTIL_H */

libavcodec/utils.c

@@ -25,6 +25,7 @@
  * utils.
  */
 
+#include "config.h"
 #include "libavutil/avassert.h"
 #include "libavutil/avstring.h"
 #include "libavutil/channel_layout.h"
@@ -156,6 +157,12 @@ void avcodec_set_dimensions(AVCodecContext *s, int width, int height)
 
 #define INTERNAL_BUFFER_SIZE (32 + 1)
 
+#if (ARCH_ARM && HAVE_NEON) || ARCH_PPC || HAVE_MMX
+#   define STRIDE_ALIGN 16
+#else
+#   define STRIDE_ALIGN 8
+#endif
+
 void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
                                int linesize_align[AV_NUM_DATA_POINTERS])
 {