gallium/util: silence uninitialized var warning

diff --git a/src/gallium/auxiliary/util/u_gen_mipmap.c b/src/gallium/auxiliary/util/u_gen_mipmap.c
index 4e3d35f..aa823aa 100644 (file)
--- a/src/gallium/auxiliary/util/u_gen_mipmap.c
+++ b/src/gallium/auxiliary/util/u_gen_mipmap.c
@@ -1427,6 +1427,7 @@ set_vertex_data(struct gen_mipmap_state *ctx,
             rz = -1.0f;
             break;
          default:
+            rx = ry = rz = 0.0f;
             assert(0);
          }