[libdazzle] reaper: ensure age is always a positive value

[Christian Hergert <chergert src gnome org>]

commit 355f9faa45a30be806f4c85cbabfe101af9beeee
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jan 24 16:53:56 2018 -0800

    reaper: ensure age is always a positive value
    
    We subtract this from now, so ensure it is always positive or we create
    a value in the future.

 src/files/dzl-directory-reaper.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/files/dzl-directory-reaper.c b/src/files/dzl-directory-reaper.c
index 7a1c527..5496b0f 100644
--- a/src/files/dzl-directory-reaper.c
+++ b/src/files/dzl-directory-reaper.c
@@ -121,7 +121,7 @@ dzl_directory_reaper_add_glob (DzlDirectoryReaper *self,
     glob = "*";
 
   p.type = PATTERN_GLOB;
-  p.min_age = min_age;
+  p.min_age = ABS (min_age);
   p.glob.directory = g_object_ref (directory);
   p.glob.glob = g_strdup (glob);
 
@@ -139,7 +139,7 @@ dzl_directory_reaper_add_file (DzlDirectoryReaper *self,
   g_return_if_fail (G_IS_FILE (file));
 
   p.type = PATTERN_FILE;
-  p.min_age = min_age;
+  p.min_age = ABS (min_age);
   p.file.file = g_object_ref (file);
 
   g_array_append_val (self->patterns, p);