Revert "THRIFT-3014 AppVeyor support - fix format"

This reverts commit 81b3c440c64a372b6e47f9cb50804bd60f83e83f.

commit included modified CMakeLists.txt files, as part from local test
diff --git a/compiler/cpp/CMakeLists.txt b/compiler/cpp/CMakeLists.txt
index 26bf7ca..ddbe9ea 100644
--- a/compiler/cpp/CMakeLists.txt
+++ b/compiler/cpp/CMakeLists.txt
@@ -17,6 +17,9 @@
 # under the License.
 #
 
+
+cmake_minimum_required(VERSION 2.8)
+
 # Windows has a different header
 if(MSVC)
     set(FLEX_FLAGS "--wincompat") # Don't use unistd.h on windows
@@ -49,7 +52,7 @@
 add_library(libparse STATIC ${libparse_SOURCES})
 
 # Create the thrift compiler
-set( thrift_SOURCES
+set( thrift_SOURCES 
     src/main.cc
     src/md5.c
     src/generate/t_generator.cc