docs: correct group name of segmentcontrol for API docs.

Summary:
correct group name of segmentcontrol for API docs consistency.
Elm_SegmentControl -> Elm_Segment_Control

Test Plan: N/A

Reviewers: Jaehyun_Cho

Reviewed By: Jaehyun_Cho

Subscribers: cedric, #reviewers, #committers

Tags: #efl

Differential Revision: https://phab.enlightenment.org/D7087

src/lib/elementary/elm_segment_control.h

@@ -1,5 +1,5 @@
 /**
- * @defgroup Elm_SegmentControl SegmentControl
+ * @defgroup Elm_Segment_Control SegmentControl
  * @ingroup Elementary
  *
  * @image html segment_control_inheritance_tree.png
@@ -57,7 +57,7 @@
  */
 
 /**
- * @addtogroup Elm_SegmentControl
+ * @addtogroup Elm_Segment_Control
  * @{
  */
 

src/lib/elementary/elm_segment_control_legacy.h

@@ -7,7 +7,7 @@
  *
  * This function inserts a new segment control widget on the canvas.
  *
- * @ingroup Elm_SegmentControl
+ * @ingroup Elm_Segment_Control
  */
 EAPI Evas_Object      *elm_segment_control_add(Evas_Object *parent);
 

src/lib/elementary/elm_widget_segment_control.h

@@ -16,7 +16,7 @@
  *
  * @section elm-segment-control-class The Elementary Segment control Class
  *
- * Elementary, besides having the @ref SegmentControl widget, exposes
+ * Elementary, besides having the @ref Elm_Segment_Control widget, exposes
  * its foundation -- the Elementary Segment control Class -- in order
  * to create other widgets which are a segment control with some more
  * logic on top.