THRIFT-2602 Fix missing dist files

- set bison to 2.5
- include "config.h" within thriftl.ll

Patch: Roger Meier
diff --git a/compiler/cpp/src/thriftl.ll b/compiler/cpp/src/thriftl.ll
index 5afc601..1fe6b2e 100644
--- a/compiler/cpp/src/thriftl.ll
+++ b/compiler/cpp/src/thriftl.ll
@@ -52,6 +52,8 @@
 
 #ifdef _MSC_VER
 #include "windows/config.h"
+#else
+#include "config.h"
 #endif
 #include "main.h"
 #include "globals.h"