[file-roller] use cpio if no binary is found

[Paolo Bacchilega <paobac src gnome org>]

commit eb8a7fae97ee8353c81096c304d90e87397c17ec
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun Dec 13 11:19:55 2015 +0100

    use cpio if no binary is found

 configure.ac         |    2 +-
 src/fr-command-rpm.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 177b832..7076106 100644
--- a/configure.ac
+++ b/configure.ac
@@ -244,7 +244,7 @@ AC_SUBST(LIBARCHIVE_CFLAGS)
 AM_CONDITIONAL(ENABLE_LIBARCHIVE, test x"$enable_libarchive" = xyes)
 
 AC_ARG_VAR([CPIO], [Path to the `cpio` command])
-AC_PATH_PROGS(CPIO, gcpio cpio)
+AC_PATH_PROGS(CPIO, gcpio cpio, cpio)
 AC_DEFINE_UNQUOTED(CPIO_PATH, "${CPIO}", [Path to cpio])
 
 dnl ******************************
diff --git a/src/fr-command-rpm.c b/src/fr-command-rpm.c
index 5edbbd5..be86040 100644
--- a/src/fr-command-rpm.c
+++ b/src/fr-command-rpm.c
@@ -245,7 +245,7 @@ static const char *
 fr_command_rpm_get_packages (FrArchive  *archive,
                             const char *mime_type)
 {
-       return PACKAGES (CPIO_PATH ",rpm");
+       return PACKAGES ("cpio,rpm");
 }