efl/gesture: include .h file in private header, not .c file

Summary:
a generated eolian c file cannot be included multiple times or else it will
create multiple definitions of symbols defined in that file and break the build

ref 54175998d5
fix T7960

Reviewers: devilhorns, vtorri

Reviewed By: vtorri

Subscribers: cedric, #reviewers, #committers

Tags: #efl_build

Maniphest Tasks: T7960

Differential Revision: https://phab.enlightenment.org/D8945

src/lib/evas/gesture/efl_canvas_gesture.c

@@ -47,3 +47,4 @@ _efl_canvas_gesture_timestamp_get(const Eo *obj EINA_UNUSED, Efl_Canvas_Gesture_
 }
 
 #include "efl_canvas_gesture.eo.c"
+#include "efl_gesture_events.eo.c"

src/lib/evas/gesture/efl_canvas_gesture_private.h

@@ -6,7 +6,7 @@
 #define EFL_INTERNAL_UNSTABLE
 #include "interfaces/efl_common_internal.h"
 
-#include "efl_gesture_events.eo.c"
+#include "efl_gesture_events.eo.h"
 
 #include <Ecore.h>