corrected hipDeviceGetProperties to hipGetDeviceProperties - not docs

[ROCm/hip commit: d3ba2b9782]

projects/hip/samples/0_Intro/square/square.hipref.cpp

@@ -53,7 +53,7 @@ int main(int argc, char *argv[])
 	size_t Nbytes = N * sizeof(float);
 
 	hipDeviceProp_t props;
-	CHECK(hipDeviceGetProperties(&props, 0/*deviceID*/));
+	CHECK(hipGetDeviceProperties(&props, 0/*deviceID*/));
 	printf ("info: running on device %s\n", props.name);
 
 	printf ("info: allocate host mem (%6.2f MB)\n", 2*Nbytes/1024.0/1024.0);