Use NULL instead of "" as no causingpkg

Our STRDUP macro (used in _alpm_depmiss_new) is NULL safe.

Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/libalpm/deps.c b/lib/libalpm/deps.c
index 0f3f45c8..c667daa2 100644
--- a/lib/libalpm/deps.c
+++ b/lib/libalpm/deps.c
@@ -277,7 +277,7 @@ alpm_list_t SYMEXPORT *alpm_checkdeps(pmdb_t *db, int reversedeps,
 				_alpm_log(PM_LOG_DEBUG, "checkdeps: missing dependency '%s' for package '%s'\n",
 						missdepstring, alpm_pkg_get_name(tp));
 				free(missdepstring);
-				miss = _alpm_depmiss_new(alpm_pkg_get_name(tp), depend, "");
+				miss = _alpm_depmiss_new(alpm_pkg_get_name(tp), depend, NULL);
 				baddeps = alpm_list_add(baddeps, miss);
 			}
 		}