[gthumb] file source: fixed function signature

[Paolo Bacchilega <paobac src gnome org>]

commit c371329503c5f3ce88b6cddea8e6eb865e7bfb14
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Mon Jun 26 17:52:18 2017 +0200

    file source: fixed function signature

 gthumb/gth-file-source.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gthumb/gth-file-source.c b/gthumb/gth-file-source.c
index 87f39df..90a40ac 100644
--- a/gthumb/gth-file-source.c
+++ b/gthumb/gth-file-source.c
@@ -885,6 +885,7 @@ base_remove (GthFileSource *file_source,
 
 static void
 base_deleted_from_disk (GthFileSource *file_source,
+                       GthFileData   *location,
                        GList         *file_list /* GFile list */)
 {
        /* void */