[recipes] Add an api to get the cached path to an image

[Matthias Clasen <matthiasc src gnome org>]

commit 4ff0d024319ee4cb8fa143012221382de1860d2f
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Apr 10 23:46:25 2017 -0400

    Add an api to get the cached path to an image
    
    This will be needed in the exporter code.

 src/gr-image.c |    6 ++++++
 src/gr-image.h |    1 +
 2 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/src/gr-image.c b/src/gr-image.c
index ba759c6..5ef9caf 100644
--- a/src/gr-image.c
+++ b/src/gr-image.c
@@ -192,6 +192,12 @@ get_image_cache_path (GrImage *ri)
         return filename;
 }
 
+char *
+gr_image_get_cache_path (GrImage *image)
+{
+        return get_image_cache_path (image);
+}
+
 static char *
 get_thumbnail_cache_path (GrImage *ri)
 {
diff --git a/src/gr-image.h b/src/gr-image.h
index 23fdb00..222d25b 100644
--- a/src/gr-image.h
+++ b/src/gr-image.h
@@ -37,6 +37,7 @@ void        gr_image_set_id      (GrImage           *image,
 void        gr_image_set_path    (GrImage           *image,
                                   const char        *path);
 const char *gr_image_get_path    (GrImage           *image);
+char       *gr_image_get_cache_path (GrImage        *image);
 GdkPixbuf  *gr_image_load_sync   (GrImage           *image,
                                   int                 width,
                                   int                 height,