clang-format-11: reformat

The .clang-format file here is an old version of the common one.
Upgrade to the latest and reformat.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ic87853e6004d2d5ad6645a3ece8c0c87ccc96efd
diff --git a/snmp_client.cpp b/snmp_client.cpp
index 52eb744..3f6a405 100644
--- a/snmp_client.cpp
+++ b/snmp_client.cpp
@@ -1,4 +1,5 @@
 #include "snmp_client.hpp"
+
 #include "snmp_conf_manager.hpp"
 #include "snmp_serialize.hpp"