THRIFT-2729: C++ - .clang-format created and applied

Client: C++
Patch: Konrad Grochowski

make style command added
diff --git a/lib/cpp/test/processor/EventLog.cpp b/lib/cpp/test/processor/EventLog.cpp
index 0ac3028..d4b8372 100644
--- a/lib/cpp/test/processor/EventLog.cpp
+++ b/lib/cpp/test/processor/EventLog.cpp
@@ -36,10 +36,11 @@
 
   fprintf(stderr, "\n");
 }
-
 }
 
-namespace apache { namespace thrift { namespace test {
+namespace apache {
+namespace thrift {
+namespace test {
 
 uint32_t EventLog::nextId_ = 0;
 
@@ -74,11 +75,12 @@
   debug("New log: %d", id_);
 }
 
-void EventLog::append(EventType type, uint32_t connectionId, uint32_t callId,
+void EventLog::append(EventType type,
+                      uint32_t connectionId,
+                      uint32_t callId,
                       const string& message) {
   Synchronized s(monitor_);
-  debug("%d <-- %u, %u, %s \"%s\"", id_, connectionId, callId, type,
-        message.c_str());
+  debug("%d <-- %u, %u, %s \"%s\"", id_, connectionId, callId, type, message.c_str());
 
   Event e(type, connectionId, callId, message);
   events_.push_back(e);
@@ -125,5 +127,6 @@
     }
   }
 }
-
-}}} // apache::thrift::test
+}
+}
+} // apache::thrift::test