[libgxps] images: use the right return type

[Paolo Borelli <pborelli src gnome org>]

commit da9fc1c4c46f811588619b51ef3f5f598c0ca772
Author: Ignacio Casal Quinteiro <qignacio amazon com>
Date:   Mon Jan 16 16:03:02 2017 +0100

    images: use the right return type

 libgxps/gxps-images.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libgxps/gxps-images.c b/libgxps/gxps-images.c
index 82de3c5..78b443d 100644
--- a/libgxps/gxps-images.c
+++ b/libgxps/gxps-images.c
@@ -374,7 +374,7 @@ _jpeg_init_source (j_decompress_ptr cinfo)
 {
 }
 
-static int
+static boolean
 _jpeg_fill_input_buffer (j_decompress_ptr cinfo)
 {
        struct _jpeg_src_mgr *src = (struct _jpeg_src_mgr *)cinfo->src;