Fix incorrect use of kernel parameter (#1168)

This issue was introduced in 8ad1088a (Reduce difference between files
in math_brute_force (#1138), 2021-02-10).

Signed-off-by: Marco Antognini <marco.antognini@arm.com>
diff --git a/test_conformance/math_brute_force/binary_two_results_i.cpp b/test_conformance/math_brute_force/binary_two_results_i.cpp
index ec00351..a20c057 100644
--- a/test_conformance/math_brute_force/binary_two_results_i.cpp
+++ b/test_conformance/math_brute_force/binary_two_results_i.cpp
@@ -132,7 +132,7 @@
                         "   size_t i = get_global_id(0);\n"
                         "   out[i] = ",
                         name,
-                        "( in1[i], in2[i], out2[i] );\n"
+                        "( in1[i], in2[i], out2 + i );\n"
                         "}\n" };
 
     const char *c3[] = {