i965: Add missing intel_pixel_draw.c symlink to fix build.

diff --git a/src/mesa/drivers/dri/i965/intel_pixel_draw.c b/src/mesa/drivers/dri/i965/intel_pixel_draw.c
new file mode 120000 (symlink)
index 0000000..8431a24
--- /dev/null
+++ b/src/mesa/drivers/dri/i965/intel_pixel_draw.c
@@ -0,0 +1 @@
+../intel/intel_pixel_draw.c
\ No newline at end of file