[goobox] mark type descriptions for translation

[Paolo Bacchilega <paobac src gnome org>]

commit 3c5403a1deb19e534fb6b93784931815703cfe41
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sat Jan 12 13:48:37 2019 +0100

    mark type descriptions for translation

 src/typedefs.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/typedefs.h b/src/typedefs.h
index 9d1d8f8..3233ea3 100644
--- a/src/typedefs.h
+++ b/src/typedefs.h
@@ -30,10 +30,10 @@
 #define MP3_ENCODER "lamemp3enc"
 #define WAVE_ENCODER "wavenc"
 
-#define OGG_DESCRIPTION "Vorbis is an open source, lossy audio codec with high quality output at a lower 
file size than MP3."
-#define FLAC_DESCRIPTION "FLAC is an open source codec that compresses but does not degrade audio quality."
-#define MP3_DESCRIPTION "MP3 is a patented lossy audio codec, supported by most digital audio players."
-#define WAVE_DESCRIPTION "WAV+PCM is a lossless format that holds uncompressed audio."
+#define OGG_DESCRIPTION N_("Vorbis is an open source, lossy audio codec with high quality output at a lower 
file size than MP3.")
+#define FLAC_DESCRIPTION N_("FLAC is an open source codec that compresses but does not degrade audio 
quality.")
+#define MP3_DESCRIPTION N_("MP3 is a patented lossy audio codec, supported by most digital audio players.")
+#define WAVE_DESCRIPTION N_("WAV+PCM is a lossless format that holds uncompressed audio.")
 
 /* same order shown in the preferences dialog */