gallium: fix missing bit field in p_state.h

Marek pointed this out, not sure how we missed it.

Fixes: 3dc6da1ac1f5 ("gallium: add a non-multisample sample mask out behaviour flag.")

Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7741>
(cherry picked from commit 105fc1c615eb4963503c738c68766f830bc5a662)
diff --git a/.pick_status.json b/.pick_status.json
index a9a599f..1ac2cb4 100644
--- a/.pick_status.json
+++ b/.pick_status.json
@@ -580,7 +580,7 @@
         "description": "gallium: fix missing bit field in p_state.h",
         "nominated": true,
         "nomination_type": 1,
-        "resolution": 0,
+        "resolution": 1,
         "master_sha": null,
         "because_sha": "3dc6da1ac1f5be2d6421940739b88f7e8d36cdf9"
     },
diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
index fbf4636..78fbd80 100644
--- a/src/gallium/include/pipe/p_state.h
+++ b/src/gallium/include/pipe/p_state.h
@@ -111,7 +111,7 @@
    unsigned point_tri_clip:1; /** large points clipped as tris or points */
    unsigned point_size_per_vertex:1; /**< size computed in vertex shader */
    unsigned multisample:1;         /* XXX maybe more ms state in future */
-   unsigned no_ms_sample_mask_out;
+   unsigned no_ms_sample_mask_out:1;
    unsigned force_persample_interp:1;
    unsigned line_smooth:1;
    unsigned line_stipple_enable:1;