radv/gfx9: fix primitive topology when adjacency is used

Found by inspection.

Cc: 17.3 <mesa-stable@lists.freedesktop.org>
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

src/amd/vulkan/radv_pipeline.c

@@ -1122,7 +1122,7 @@ static void calculate_gfx9_gs_info(const VkGraphicsPipelineCreateInfo *pCreateIn
 	case VK_PRIMITIVE_TOPOLOGY_LINE_STRIP_WITH_ADJACENCY:
 	case VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST_WITH_ADJACENCY:
 	case VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP_WITH_ADJACENCY:
-		uses_adjacency = false;
+		uses_adjacency = true;
 		break;
 	default:
 		uses_adjacency = false;