i965: Correct brw_wm_nr_args for WM_DELTAXY and WM_PIXELXY.
diff --git a/src/mesa/drivers/dri/i965/brw_wm.c b/src/mesa/drivers/dri/i965/brw_wm.c
index ce8d0a4..2292de9 100644
--- a/src/mesa/drivers/dri/i965/brw_wm.c
+++ b/src/mesa/drivers/dri/i965/brw_wm.c
@@ -41,13 +41,13 @@
 {
    switch (opcode) {
    case WM_FRONTFACING:
-      return 0;
    case WM_PIXELXY:
+      return 0;
    case WM_CINTERP:
    case WM_WPOSXY:
+   case WM_DELTAXY:
       return 1;
    case WM_LINTERP:
-   case WM_DELTAXY:
    case WM_PIXELW:
       return 2;
    case WM_FB_WRITE: