vec_convert_half.cpp fix

Signed-off-by: Aleksander Fadeev <[email protected]>

Author: fadeeval

sycl/test/basic_tests/vec_convert_half.cpp

@@ -1,6 +1,6 @@
 // XFAIL: cuda
 // RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %s -o %t.out
-// %CPU_RUN_PLACEHOLDER %t.out
+// RUN: %CPU_RUN_PLACEHOLDER %t.out
 // RUN: %GPU_RUN_PLACEHOLDER %t.out
 // RUN: %ACC_RUN_PLACEHOLDER %t.out
 //==------------ vec_convert_half.cpp - SYCL vec class convert method test ------==//