Fix delete[]

[ROCm/clr commit: ff77106399]

projects/clr/hipamd/tests/src/runtimeApi/multiThread/hipMultiThreadDevice.cpp

@@ -33,7 +33,7 @@ void createThenDestroyStreams(int iterations, int burstSize)
         }
     }
 
-    delete streams;
+    delete[] streams;
 }