[retro-gtk/wip/aplazas/error-naming] tests: Fix an error naming error

[Adrien Plazas <aplazas src gnome org>]

commit f26029b75f56792d4b5e445e76a486dfa3418744
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Thu Nov 15 16:58:10 2018 +0100

    tests: Fix an error naming error
    
    Drops the incorrect and useless name of a private error enumeration.

 tests/retro-reftest-file.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/tests/retro-reftest-file.c b/tests/retro-reftest-file.c
index a1d2a12..97b017c 100644
--- a/tests/retro-reftest-file.c
+++ b/tests/retro-reftest-file.c
@@ -37,10 +37,10 @@ G_DEFINE_TYPE (RetroReftestFile, retro_reftest_file, G_TYPE_OBJECT)
 
 #define RETRO_REFTEST_FILE_ERROR (retro_reftest_file_error_quark ())
 
-typedef enum
+enum
 {
   RETRO_REFTEST_FILE_ERROR_NOT_A_UINT,
-} ManetteMappingError;
+};
 
 GQuark retro_reftest_file_error_quark (void);