xdg_shell: remove variable self-assignment

types/xdg_shell/wlr_xdg_positioner.c

@@ -222,20 +222,16 @@ struct wlr_box wlr_xdg_positioner_get_geometry(
 	if (positioner_gravity_has_edge(positioner->gravity,
 			XDG_POSITIONER_GRAVITY_TOP)) {
 		geometry.y -= geometry.height;
-	} else if (positioner_gravity_has_edge(positioner->gravity,
+	} else if (!positioner_gravity_has_edge(positioner->gravity,
 			XDG_POSITIONER_GRAVITY_BOTTOM)) {
-		geometry.y = geometry.y;
-	} else {
 		geometry.y -= geometry.height / 2;
 	}
 
 	if (positioner_gravity_has_edge(positioner->gravity,
 			XDG_POSITIONER_GRAVITY_LEFT)) {
 		geometry.x -= geometry.width;
-	} else if (positioner_gravity_has_edge(positioner->gravity,
+	} else if (!positioner_gravity_has_edge(positioner->gravity,
 			XDG_POSITIONER_GRAVITY_RIGHT)) {
-		geometry.x = geometry.x;
-	} else {
 		geometry.x -= geometry.width / 2;
 	}
 

types/xdg_shell_v6/wlr_xdg_positioner_v6.c

@@ -154,17 +154,13 @@ struct wlr_box wlr_xdg_positioner_v6_get_geometry(
 
 	if (positioner->gravity & ZXDG_POSITIONER_V6_GRAVITY_TOP) {
 		geometry.y -= geometry.height;
-	} else if (positioner->gravity & ZXDG_POSITIONER_V6_GRAVITY_BOTTOM) {
-		geometry.y = geometry.y;
-	} else {
+	} else if (!(positioner->gravity & ZXDG_POSITIONER_V6_GRAVITY_BOTTOM)) {
 		geometry.y -= geometry.height / 2;
 	}
 
 	if (positioner->gravity & ZXDG_POSITIONER_V6_GRAVITY_LEFT) {
 		geometry.x -= geometry.width;
-	} else if (positioner->gravity & ZXDG_POSITIONER_V6_GRAVITY_RIGHT) {
-		geometry.x = geometry.x;
-	} else {
+	} else if (!(positioner->gravity & ZXDG_POSITIONER_V6_GRAVITY_RIGHT)) {
 		geometry.x -= geometry.width / 2;
 	}