Fixes #672: No longer accessing an array in simpleIPC.cu before it …

…is known to be initialized

examples/modified_cuda_samples/simpleIPC/simpleIPC.cu

@@ -128,14 +128,14 @@ void getDeviceCount(ipcDevices_t *devices)
 			}
 		}
 
-		devices->ordinals[0] = uvaOrdinals[0];
-
 		if (uvaCount < 2)
 		{
 			devices->count = uvaCount;
 			exit(EXIT_SUCCESS);
 		}
 
+		devices->ordinals[0] = uvaOrdinals[0];
+
 		// Check possibility for peer accesses, relevant to our tests
 		printf("\nChecking GPU(s) for support of peer to peer memory access...\n");
 		devices->count = 1;