qerror: QERR_AMBIGUOUS_PATH: drop %(object) from human msg

Actually, renames it to 'object'. This must be what the original author
meant to write, as there's no 'object' in the error's data member.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>

qerror.c

@@ -49,7 +49,7 @@ static const QErrorStringTable qerror_table[] = {
     },
     {
         .error_fmt = QERR_AMBIGUOUS_PATH,
-        .desc      = "Path '%(path)' does not uniquely identify a %(object)"
+        .desc      = "Path '%(path)' does not uniquely identify an object"
     },
     {
         .error_fmt = QERR_BAD_BUS_FOR_DEVICE,