units: for all unit settings that take lists, allow the empty string for resetting the lists

https://bugzilla.redhat.com/show_bug.cgi?id=756787

1 files changed, 2 insertions, 0 deletions

diff --git a/src/core/path.h b/src/core/path.h
index 77926888ae..645feef191 100644
--- a/src/core/path.h
+++ b/src/core/path.h
@@ -98,6 +98,8 @@ void path_unit_notify(Unit *u, UnitActiveState new_state);
  * any of the paths of this path object */
 int path_add_one_mount_link(Path *p, Mount *m);
 
+void path_free_specs(Path *p);
+
 extern const UnitVTable path_vtable;
 
 const char* path_state_to_string(PathState i);