[tracker] Don't pick empty strings when coalescing data.

[Carlos Garnacho <carlosg src gnome org>]

commit ef99d725f4e9cb122f0e73b87d185cc5ffb8ac7d
Author: Carlos Garnacho <carlos lanedo com>
Date:   Tue Nov 3 14:55:16 2009 +0100

    Don't pick empty strings when coalescing data.

 src/libtracker-common/tracker-utils.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/libtracker-common/tracker-utils.c b/src/libtracker-common/tracker-utils.c
index f10bbec..0bce806 100644
--- a/src/libtracker-common/tracker-utils.c
+++ b/src/libtracker-common/tracker-utils.c
@@ -514,7 +514,7 @@ tracker_coalesce (gint n_values,
 
 		value = va_arg (args, gchar *);
 		if (value) {
-			if (!result) {
+			if (*value && !result) {
 				result = value;
 			} else {
 				g_free (value);