Fix doxygen errors

Identified via -Wdocumentation, e.g.:

  ./rpc/rawtransaction_util.h:31:13: error: parameter 'prevTxs' not found in the function declaration [-Werror,-Wdocumentation]
    * @param  prevTxs       Array of previous txns outputs that tx depends on but may not yet be in the block chain
              ^~~~~~~
  ./rpc/rawtransaction_util.h:31:13: note: did you mean 'prevTxsUnival'?
    * @param  prevTxs       Array of previous txns outputs that tx depends on but may not yet be in the block chain
              ^~~~~~~
              prevTxsUnival

  netbase.cpp:766:11: error: parameter 'outProxyConnectionFailed[out]' not found in the function declaration [-Werror,-Wdocumentation]
   * @param outProxyConnectionFailed[out] Whether or not the connection to the
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  netbase.cpp:766:11: note: did you mean 'outProxyConnectionFailed'?
   * @param outProxyConnectionFailed[out] Whether or not the connection to the
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            outProxyConnectionFailed

1 files changed, 1 insertions, 1 deletions

diff --git a/src/netbase.cpp b/src/netbase.cpp
index 1aefecb5ba..f0c91e0619 100644
--- a/src/netbase.cpp
+++ b/src/netbase.cpp
@@ -763,7 +763,7 @@ bool IsProxy(const CNetAddr &addr) {
  * @param hSocket The socket on which to connect to the SOCKS5 proxy.
  * @param nTimeout Wait this many milliseconds for the connection to the SOCKS5
  *                 proxy to be established.
- * @param outProxyConnectionFailed[out] Whether or not the connection to the
+ * @param[out] outProxyConnectionFailed Whether or not the connection to the
  *                                      SOCKS5 proxy failed.
  *
  * @returns Whether or not the operation succeeded.