Fix code block (#107)

Author: podcastinator

doc/build.rst

@@ -35,7 +35,7 @@ Installing the Open Enclave SDK
 
    .. code-block:: bash
 
-   sudo apt -y install clang-7 libssl-dev gdb libsgx-enclave-common libsgx-enclave-common-dev libprotobuf10 libsgx-dcap-ql libsgx-dcap-ql-dev az-dcap-client open-enclave=0.9.0   
+      sudo apt -y install clang-7 libssl-dev gdb libprotobuf10 libsgx-enclave-common libsgx-enclave-common-dev libsgx-dcap-ql libsgx-dcap-ql-dev az-dcap-client open-enclave=0.9.0
 
    .. note:: You may also build the SDK in "simulation mode" on a machine without SGX support (e.g., for local development and testing). To build in simulation mode, follow the instructions `here <https://github.com/openenclave/openenclave/blob/master/docs/GettingStartedDocs/install_oe_sdk-Simulation.md>`_ instead. Notably, these instructions require that you skip the driver installation step.