vrend_shader: fixup typo in indirect image-handling

When emitting an image array, the code errorously used the loop
counter instead of the image entry for looking up the resource.

The rest of the code uses idx, which seems like the right thing
to do. So let's match that instead.

Signed-off-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

src/vrend_shader.c

@@ -4697,7 +4697,7 @@ static char *emit_ios(struct dump_ctx *ctx, char *glsl_hdr)
          formatstr = get_internalformat_string(ctx->images[idx].decl.Format, &itype);
          ptc = vrend_shader_samplerreturnconv(itype);
          sname = tgsi_proc_to_prefix(ctx->prog_type);
-         stc = vrend_shader_samplertypeconv(ctx->images[i].decl.Resource, &is_shad);
+         stc = vrend_shader_samplertypeconv(ctx->images[idx].decl.Resource, &is_shad);
          snprintf(buf, 255, "%s%s%suniform %cimage%s %simg%d[%d];\n", formatstr, writeonly, volatile_str, ptc, stc, sname, idx, ctx->image_arrays[i].array_size);
          STRCAT_WITH_RET(glsl_hdr, buf);
       }