mesa: Unify glEdgeFlagPointer data type.

Use GL_UNSIGNED_BYTE as initialization data type
for the edge flag vertex attribute array. The same datatype
is used in the glEdgeFlagPointer function when setting the
array pointer.

Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Mathias Fröhlich <Mathias.Froehlich@web.de>

src/mesa/main/arrayobj.c

@@ -441,7 +441,7 @@ _mesa_initialize_vao(struct gl_context *ctx,
          init_array(ctx, vao, VERT_ATTRIB_COLOR_INDEX, 1, GL_FLOAT);
          break;
       case VERT_ATTRIB_EDGEFLAG:
-         init_array(ctx, vao, VERT_ATTRIB_EDGEFLAG, 1, GL_BOOL);
+         init_array(ctx, vao, VERT_ATTRIB_EDGEFLAG, 1, GL_UNSIGNED_BYTE);
          break;
       case VERT_ATTRIB_POINT_SIZE:
          init_array(ctx, vao, VERT_ATTRIB_POINT_SIZE, 1, GL_FLOAT);