[totem-pl-parser] pls: Fix getting past the last line in PLS files

[Bastien Nocera <hadess src gnome org>]

commit 3e598e4e6a20905dccb97f70a4c62e41ef1a61f4
Author: Philip Van Hoof <pvanhoof gnome org>
Date:   Wed Mar 2 14:57:32 2011 +0000

    pls: Fix getting past the last line in PLS files
    
    When trying to skip empty lines at the beginning of files.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=643667

 plparse/totem-pl-parser-pls.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plparse/totem-pl-parser-pls.c b/plparse/totem-pl-parser-pls.c
index ee6493e..3bab325 100644
--- a/plparse/totem-pl-parser-pls.c
+++ b/plparse/totem-pl-parser-pls.c
@@ -184,7 +184,7 @@ totem_pl_parser_add_pls_with_contents (TotemPlParser *parser,
 	playlist_title = NULL;
 
 	/* Ignore empty lines */
-	while (totem_pl_parser_line_is_empty (lines[i]) != FALSE)
+	while (lines[i] != NULL && totem_pl_parser_line_is_empty (lines[i]) != FALSE)
 		i++;
 
 	if (lines[i] == NULL