various: move ptr indicator to return value

src/machine/image-dbus.c

@@ -461,7 +461,7 @@ static int image_object_find(sd_bus *bus, const char *path, const char *interfac
         return 1;
 }
 
-char *image_bus_path(const char *name) {
+char* image_bus_path(const char *name) {
         _cleanup_free_ char *e = NULL;
 
         assert(name);

src/machine/image-dbus.h

@@ -8,7 +8,7 @@
 extern const BusObjectImplementation image_object;
 
 int manager_acquire_image(Manager *m, const char *name, Image **ret);
-char *image_bus_path(const char *name);
+char* image_bus_path(const char *name);
 
 int bus_image_method_remove(sd_bus_message *message, void *userdata, sd_bus_error *error);
 int bus_image_method_rename(sd_bus_message *message, void *userdata, sd_bus_error *error);

src/machine/machine-dbus.c

@@ -1231,7 +1231,7 @@ static int machine_object_find(sd_bus *bus, const char *path, const char *interf
         return 1;
 }
 
-char *machine_bus_path(Machine *m) {
+char* machine_bus_path(Machine *m) {
         _cleanup_free_ char *e = NULL;
 
         assert(m);

src/machine/machine-dbus.h

@@ -13,7 +13,7 @@ typedef enum {
 
 extern const BusObjectImplementation machine_object;
 
-char *machine_bus_path(Machine *s);
+char* machine_bus_path(Machine *s);
 
 int bus_machine_method_unregister(sd_bus_message *message, void *userdata, sd_bus_error *error);
 int bus_machine_method_terminate(sd_bus_message *message, void *userdata, sd_bus_error *error);