lavfi/frei0r: search plugins in lib64 dirs on all architectures

As Reimar Döffinger pointed out there are non-x86 64bit architectures as well.
Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Marton Balint <cus@passwd.hu>

libavfilter/vf_frei0r.c

@@ -284,7 +284,6 @@ static av_cold int frei0r_init(AVFilterContext *ctx,
         if (ret < 0)
             return ret;
     }
-#if ARCH_X86_64
     if (!s->dl_handle) {
         ret = load_path(ctx, &s->dl_handle, "/usr/local/lib64/frei0r-1/", dl_name);
         if (ret < 0)
@@ -295,7 +294,6 @@ static av_cold int frei0r_init(AVFilterContext *ctx,
         if (ret < 0)
             return ret;
     }
-#endif
     if (!s->dl_handle) {
         av_log(ctx, AV_LOG_ERROR, "Could not find module '%s'\n", dl_name);
         return AVERROR(EINVAL);