[tracker] tracker-miner-fs: Fix debug message for mounted volume

[Jürg Billeter <juergbi src gnome org>]

commit 8fc16ba94128e3855abe2cf11aac58b91a2d7437
Author: Jürg Billeter <j bitron ch>
Date:   Mon Nov 16 12:44:54 2009 +0100

    tracker-miner-fs: Fix debug message for mounted volume

 src/tracker-miner-fs/tracker-miner-files.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/src/tracker-miner-fs/tracker-miner-files.c b/src/tracker-miner-fs/tracker-miner-files.c
index f3685e6..8219408 100644
--- a/src/tracker-miner-fs/tracker-miner-files.c
+++ b/src/tracker-miner-fs/tracker-miner-files.c
@@ -624,8 +624,12 @@ query_mount_points_cb (TrackerMiner *miner,
 #endif
 
 			if (urn) {
-				g_debug ("URN '%s' (mount point: %s) was not reported to be mounted, but now it is, updating state",
-				         mount_point, urn);
+				if (mount_point) {
+					g_debug ("URN '%s' (mount point: %s) was not reported to be mounted, but now it is, updating state",
+						 urn, mount_point);
+				} else {
+					g_debug ("URN '%s' was not reported to be mounted, but now it is, updating state", urn);
+				}
 				set_up_mount_point (TRACKER_MINER_FILES (miner), urn, mount_point, TRUE, accumulator);
 			}
 		} else if (!(state & VOLUME_MOUNTED) &&