[totem-pl-parser] plparse: Fix return value in "is" function

[Bastien Nocera <hadess src gnome org>]

commit 6a51abd33b4110a6c0c4c6a6d4b4077210c4d1df
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Apr 15 14:12:50 2016 +0200

    plparse: Fix return value in "is" function

 plparse/totem-pl-parser-wm.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plparse/totem-pl-parser-wm.c b/plparse/totem-pl-parser-wm.c
index f201e78..999370c 100644
--- a/plparse/totem-pl-parser-wm.c
+++ b/plparse/totem-pl-parser-wm.c
@@ -57,7 +57,7 @@ totem_pl_parser_is_asx (const char *data, gsize len)
        if (g_strstr_len (data, len, ASX_NEEDLE3) != NULL)
                return ASX_MIME_TYPE;
 
-       return FALSE;
+       return NULL;
 }
 
 const char *