[grilo] pls: fix extra token on ifndef TOTEM_PL_IS_PARSER

[Victor Toso <victortoso src gnome org>]

commit e0488fda3239aef4e0963007768860d4861fffd1
Author: Victor Toso <me victortoso com>
Date:   Mon Feb 17 10:53:05 2020 +0100

    pls: fix extra token on ifndef TOTEM_PL_IS_PARSER
    
    Removes the following warning:
     > ../libs/pls/grl-pls.c:50:27: warning: extra tokens at end of #ifndef
     > directive
     >    50 | #ifndef TOTEM_PL_IS_PARSER(x)
     >       |                           ^

 libs/pls/grl-pls.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/libs/pls/grl-pls.c b/libs/pls/grl-pls.c
index 616d6f1..ea38599 100644
--- a/libs/pls/grl-pls.c
+++ b/libs/pls/grl-pls.c
@@ -47,7 +47,7 @@
 #include <totem-pl-parser.h>
 #include <totem-pl-parser-mini.h>
 
-#ifndef TOTEM_PL_IS_PARSER(x)
+#ifndef TOTEM_PL_IS_PARSER
 #define TOTEM_PL_IS_PARSER(x) TOTEM_IS_PL_PARSER(x)
 #endif /* TOTEM_PL_IS_PARSER */