make event units public in the api

Add grail_get_units() to the api, so so that applications can
extract the min/max coordinates used in the gesture events.

Signed-off-by: Henrik Rydberg <rydberg@bitmath.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/grail-recognizer.h b/src/grail-recognizer.h
index d3b24b3..8a5ac80 100644
--- a/src/grail-recognizer.h
+++ b/src/grail-recognizer.h
@@ -37,7 +37,7 @@ struct gesture_recognizer {
         struct tapping_model tapping;
 };
 
-int gru_init(struct grail *ge, const struct touch_dev_caps *caps);
+int gru_init(struct grail *ge);
 void gru_recognize(struct grail *ge, const struct touch_frame *frame);
 void gru_destroy(struct grail *ge);