gnu: photo: Add 'bash' input for 'wrap-program'.

It is required for cross-compilation.

* gnu/packages/photo.scm
(rapid-photo-downloader)[inputs]: Add 'bash-minimal'.
(perl-image-exiftool)[inputs]: Likewise.
(entangle)[inputs]: Likewise.

Signed-off-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Change-Id: I843c7530ae24969660a00c0da7754e51475ea00d

gnu/packages/photo.scm

@@ -117,7 +117,8 @@ (define-public rapid-photo-downloader
     (native-inputs
      (list file intltool gobject-introspection))
     (inputs
-     `(("gdk-pixbuf" ,gdk-pixbuf)
+     `(("bash" ,bash-minimal) ; for wrap-program
+       ("gdk-pixbuf" ,gdk-pixbuf)
        ("gexiv2" ,gexiv2)
        ("gst-libav" ,gst-libav)
        ("gst-plugins-base" ,gst-plugins-base)
@@ -331,6 +332,7 @@ (define-public perl-image-exiftool
                           (lib (dirname (dirname (car pm)))))
                      (wrap-program (string-append #$output "/bin/exiftool")
                        `("PERL5LIB" prefix (,lib)))))))))
+    (inputs (list bash-minimal))
     (home-page "https://metacpan.org/release/Image-ExifTool")
     (synopsis "Program and Perl library to manipulate EXIF and other metadata")
     (description "This package provides the @code{exiftool} command and the
@@ -727,7 +729,8 @@ (define-public entangle
            perl
            pkg-config))
     (inputs
-     (list gdk-pixbuf
+     (list bash-minimal
+           gdk-pixbuf
            gexiv2
            gst-plugins-base
            gstreamer