mesa/bindless: reorder gl_bindless_image gl_bindless_sampler.

This makes these use 16-bytes instead of 24-bytes.
Reviewed-by: Thomas Helland <thomashelland90@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

src/mesa/main/mtypes.h

@@ -2000,12 +2000,12 @@ struct gl_bindless_sampler
    /** Texture unit (set by glUniform1()). */
    GLubyte unit;
 
-   /** Texture Target (TEXTURE_1D/2D/3D/etc_INDEX). */
-   gl_texture_index target;
-
    /** Whether this bindless sampler is bound to a unit. */
    GLboolean bound;
 
+   /** Texture Target (TEXTURE_1D/2D/3D/etc_INDEX). */
+   gl_texture_index target;
+
    /** Pointer to the base of the data. */
    GLvoid *data;
 };
@@ -2018,12 +2018,12 @@ struct gl_bindless_image
    /** Image unit (set by glUniform1()). */
    GLubyte unit;
 
-   /** Access qualifier (GL_READ_WRITE, GL_READ_ONLY, GL_WRITE_ONLY) */
-   GLenum access;
-
    /** Whether this bindless image is bound to a unit. */
    GLboolean bound;
 
+   /** Access qualifier (GL_READ_WRITE, GL_READ_ONLY, GL_WRITE_ONLY) */
+   GLenum access;
+
    /** Pointer to the base of the data. */
    GLvoid *data;
 };