Fix unused parameter warning

Test: make
Bug: 29940137
Change-Id: Iac7c58674f4191baa28e8141851bd74ab2329771
diff --git a/opengl/tests/configdump/configdump.cpp b/opengl/tests/configdump/configdump.cpp
index 2a94598..c423105 100644
--- a/opengl/tests/configdump/configdump.cpp
+++ b/opengl/tests/configdump/configdump.cpp
@@ -66,8 +66,7 @@
 };
 // clang-format on
 
-int main(int argc, char** argv)
-{
+int main(int /*argc*/, char** /*argv*/) {
     EGLConfig* configs;
     EGLint n;