avcodec/x86/vvc/vvcdsp_init: fix unresolved external symbol on ARCH_X86_32

Signed-off-by: Wu Jianhua <toqsxw@outlook.com>

libavcodec/x86/vvc/vvcdsp_init.c

@@ -31,6 +31,7 @@
 #include "libavcodec/vvc/vvcdsp.h"
 #include "libavcodec/x86/h26x/h2656dsp.h"
 
+#if ARCH_X86_64
 #define FW_PUT(name, depth, opt) \
 static void ff_vvc_put_ ## name ## _ ## depth ## _##opt(int16_t *dst, const uint8_t *src, ptrdiff_t srcstride, \
                                                  int height, const int8_t *hf, const int8_t *vf, int width)    \
@@ -204,12 +205,13 @@ AVG_FUNCS(16, 12, avx2)
     c->inter.avg    = bf(avg, bd, opt);                                 \
     c->inter.w_avg  = bf(w_avg, bd, opt);                               \
 } while (0)
+#endif
 
 void ff_vvc_dsp_init_x86(VVCDSPContext *const c, const int bd)
 {
+#if ARCH_X86_64
     const int cpu_flags = av_get_cpu_flags();
 
-    if (ARCH_X86_64) {
     if (bd == 8) {
         if (EXTERNAL_SSE4(cpu_flags)) {
             MC_LINK_SSE4(8);
@@ -250,5 +252,5 @@ void ff_vvc_dsp_init_x86(VVCDSPContext *const c, const int bd)
                 break;
         }
     }
-    }
+#endif
 }