SWDEV-273235 - Linux: catch2 shared lib to executable (#2421)

Change-Id: I17101e39fd05eb35c087ebdf3cb005d428d9f206

catch/unit/printfExe/printfFlags.cc

@@ -38,5 +38,5 @@ __global__ void test_kernel() {
 
 int main() {
   test_kernel<<<1, 1>>>();
-  hipDeviceSynchronize();
+  static_cast<void>(hipDeviceSynchronize());
 }

catch/unit/printfExe/printfSepcifiers.cc

@@ -60,6 +60,6 @@ __global__ void test_kernel() {
 
 int main() {
   test_kernel<<<1, 1>>>();
-  hipDeviceSynchronize();
+  static_cast<void>(hipDeviceSynchronize());
   return 0;
 }