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

Client: C++
Patch: Konrad Grochowski

make style command added
diff --git a/lib/cpp/test/Base64Test.cpp b/lib/cpp/test/Base64Test.cpp
index 5caaae8..e9e86dd 100644
--- a/lib/cpp/test/Base64Test.cpp
+++ b/lib/cpp/test/Base64Test.cpp
@@ -23,7 +23,7 @@
 using apache::thrift::protocol::base64_encode;
 using apache::thrift::protocol::base64_decode;
 
-BOOST_AUTO_TEST_SUITE( Base64Test )
+BOOST_AUTO_TEST_SUITE(Base64Test)
 
 void setupTestData(int i, uint8_t* data, int& len) {
   len = 0;
@@ -42,7 +42,7 @@
   }
 }
 
-BOOST_AUTO_TEST_CASE( test_Base64_Encode_Decode ) {
+BOOST_AUTO_TEST_CASE(test_Base64_Encode_Decode) {
   int len;
   uint8_t testInput[3];
   uint8_t testOutput[4];
@@ -64,7 +64,6 @@
     // decode output and check that it matches input
     base64_decode(testOutput, len + 1);
     BOOST_ASSERT(0 == memcmp(testInput, testOutput, len));
-
   }
 }