Fix indentation all through the project

Fixes a “regression” from 04918f3b0b, but
also other missed pieces.

clients/desktop-shell.c

@@ -1460,7 +1460,7 @@ panel_add_launchers(struct panel *panel, struct desktop *desktop)
 	}
 
 	if (count == 0) {
-                char *name = file_name_with_datadir("terminal.png");
+		char *name = file_name_with_datadir("terminal.png");
 
 		/* add default launcher */
 		panel_add_launcher(panel,

clients/dnd.c

@@ -416,9 +416,9 @@ data_source_dnd_finished(void *data, struct wl_data_source *source)
 	delete_item =
 		dnd_drag->dnd_action == WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE;
 
-        /* The operation is already finished, we can destroy all
-         * related data.
-         */
+	/* The operation is already finished, we can destroy all
+	 * related data.
+	 */
 	dnd_drag_destroy(dnd_drag, delete_item);
 	window_schedule_redraw(dnd->window);
 }

clients/terminal.c

@@ -1124,9 +1124,9 @@ redraw_handler(struct widget *widget, void *data)
 				cairo_stroke(cr);
 			}
 
-                        /* skip space glyph (RLE) we use as a placeholder of
-                           the right half of a double-width character,
-                           because RLE is not available in every font. */
+			/* skip space glyph (RLE) we use as a placeholder of
+			   the right half of a double-width character,
+			   because RLE is not available in every font. */
 			if (p_row[col].ch == 0x200B)
 				continue;
 

clients/window.c

@@ -2214,9 +2214,9 @@ widget_set_tooltip(struct widget *parent, char *entry, float x, float y)
 	if (parent->tooltip_count > 1)
 		return 0;
 
-        tooltip = malloc(sizeof *tooltip);
-        if (!tooltip)
-                return -1;
+	tooltip = malloc(sizeof *tooltip);
+	if (!tooltip)
+		return -1;
 
 	parent->tooltip = tooltip;
 	tooltip->parent = parent;