Change to work correctly on volta

platforms/cuda/src/CudaContext.cpp

@@ -240,7 +240,7 @@ CudaContext::CudaContext(const System& system, int deviceIndex, bool useBlocking
         // Don't generate Volta-specific code until we've made the changes needed
         // to support it properly.
         major = 6;
-        minor = 2;
+        minor = 0;
     }
     gpuArchitecture = intToString(major)+intToString(minor);
     computeCapability = major+0.1*minor;