core: Fix g-ir-scanner warning

src/data/grl-data.c:615: Error: Grl: identifier not found on the first line:
 * Returns whether the string is a canonical one.
   ^

This is an internal function, so remove the double-* used for
documenting public functions.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/data/grl-data.c b/src/data/grl-data.c
index 1c9178a..18a7c8b 100644
--- a/src/data/grl-data.c
+++ b/src/data/grl-data.c
@@ -611,9 +611,9 @@ grl_data_get_int64 (GrlData *data, GrlKeyID key)
   }
 }
 
-/**
+/*
  * Returns whether the string is a canonical one.
- **/
+ */
 static gboolean
 is_canonical (const gchar *key)
 {