Must explicit use void if function don't have parameter.

Signed-off-by: Yang Rong <rong.r.yang at intel.com>
---
 kernels/compiler_function_qualifiers.cl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernels/compiler_function_qualifiers.cl b/kernels/compiler_function_qualifiers.cl
index c904c84..c9f7e5d 100644
--- a/kernels/compiler_function_qualifiers.cl
+++ b/kernels/compiler_function_qualifiers.cl
@@ -1,9 +1,9 @@
 /* test OpenCL 1.1 Function Qualifiers (section 6.7) */
-kernel void compiler_function_qualifiers()
+kernel void compiler_function_qualifiers(void)
 __attribute__((vec_type_hint(float)))
 __attribute__((work_group_size_hint(4,1,1)))
 __attribute__((reqd_work_group_size(4,1,1)));
 
-kernel void compiler_function_qualifiers()
+kernel void compiler_function_qualifiers(void)
 {
 }
-- 
1.8.3.2