[tracker] tracker-extract, gstreamer: Fix check for minimum gstreamer required version

[Aleksander Morgado <aleksm src gnome org>]

commit 1e1c73278160b5ec31b60f57457b6f8865677067
Author: Aleksander Morgado <aleksander lanedo com>
Date:   Wed Feb 9 17:52:31 2011 +0100

    tracker-extract,gstreamer: Fix check for minimum gstreamer required version

 src/tracker-extract/tracker-extract-gstreamer.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/src/tracker-extract/tracker-extract-gstreamer.c b/src/tracker-extract/tracker-extract-gstreamer.c
index ff04c06..e2c1163 100644
--- a/src/tracker-extract/tracker-extract-gstreamer.c
+++ b/src/tracker-extract/tracker-extract-gstreamer.c
@@ -1092,7 +1092,9 @@ poll_for_ready (MetadataExtractor *extractor,
 
 			gst_message_parse_error (message, &lerror, &error_message);
 
-#if (GST_VERSION_MICRO >= 20)
+			/* The first GStreamer version with these encryption related errors
+			 * is 0.10.20 */
+#if (GST_CHECK_VERSION (0,10,20))
 			if (lerror->domain == GST_STREAM_ERROR) {
 				if (lerror->code == GST_STREAM_ERROR_DECRYPT ||
 				    lerror->code == GST_STREAM_ERROR_DECRYPT_NOKEY) {