[Beignet] [V2 3/4] Fix a event leak in create context

[Pan Xiuli]

We get an event out of NDRangeKernel, and we don't release it.
As an gpgpu event it can also make drm buffer leak, to avoid
potenial error we just release it.w
---
 src/cl_device_id.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/cl_device_id.c b/src/cl_device_id.c
index 78d2cf4..a3d3fc4 100644
--- a/src/cl_device_id.c
+++ b/src/cl_device_id.c
@@ -622,6 +622,7 @@ cl_self_test(cl_device_id device, cl_self_test_res atomic_in_l3_flag)
                   // Atomic fail need to test SLM again with atomic in L3 feature disabled.
                   tested = 0;
                 }
+                clReleaseEvent(kernel_finished);
               }
             }
             clReleaseMemObject(buffer);
-- 
2.1.4