[tracker] tracker-extract-msoffice: Ensure some vars initialization.

[Carlos Garnacho <carlosg src gnome org>]

commit c4d4fea8449f4f23033ee36bd0118634c53a7f1f
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue May 4 13:27:59 2010 +0200

    tracker-extract-msoffice: Ensure some vars initialization.

 src/tracker-extract/tracker-extract-msoffice.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/tracker-extract/tracker-extract-msoffice.c b/src/tracker-extract/tracker-extract-msoffice.c
index 4af159d..c9c2de9 100644
--- a/src/tracker-extract/tracker-extract-msoffice.c
+++ b/src/tracker-extract/tracker-extract-msoffice.c
@@ -858,7 +858,7 @@ extract_msword_content (GsfInfile *infile,
 	guint8 *piece_table = NULL;
 	guint8 *clx = NULL;
 	gint lcb_piece_table;
-	gint piece_count;
+	gint piece_count = 0;
 	gint32 fc;
 	GString *content = NULL;
 	guint8 *text_buffer = NULL;
@@ -1305,8 +1305,8 @@ xls_get_extended_record_string (GsfInput  *stream,
 	guint parsing_record = 0;
 	guint8 tmp_buffer[4] = { 0 };
 	guint i;
-	guint8 *buffer;
-	gsize buffer_size;
+	guint8 *buffer = NULL;
+	gsize buffer_size = 0;
 
 	/* Parsing the record from the list */
 	record = &g_array_index (list, ExcelExtendedStringRecord, parsing_record);