gnu: lightdm-djvu: Add 'bash' input for 'wrap-program'.

It is required for cross-compilation.

* gnu/packages/dejavu.scm
  (didjvu)[inputs]: Add 'bash-minimal'.
  (ocrodjvu)[inputs]: Likewise.

Signed-off-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Modified-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Change-Id: Iad4ae04506111fd86646148a9b809e4714660b97

gnu/packages/djvu.scm

@@ -31,6 +31,7 @@
   #:use-module (guix build-system python)
   #:use-module (gnu packages autotools)
   #:use-module (gnu packages base)
+  #:use-module (gnu packages bash)
   #:use-module (gnu packages check)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages gawk)
@@ -346,7 +347,8 @@ and white.")
                    `("PATH" ":" prefix (,(string-append djvulibre "/bin"))))))))))
       (native-inputs (list python-nose))
       (inputs
-       (list djvulibre
+       (list bash-minimal
+             djvulibre
              minidjvu
              python-gamera
              python-pillow
@@ -380,7 +382,8 @@ and background layers of images, which can then be encoded into a DjVu file.")
       (native-inputs
        (list libxml2 python-nose python-pillow))
       (inputs
-       (list djvulibre
+       (list bash-minimal
+             djvulibre
              ocrad
              python-djvulibre
              python-future