fix build issues on Ubuntu

git-svn-id: http://encfs.googlecode.com/svn/trunk@114 db9cf616-1c43-0410-9cb8-a902689de0d6

CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 2.8)
-project(Encfs)
+project(Encfs C CXX)
 
 set (ENCFS_MAJOR 2)
 set (ENCFS_MINOR 0)

cipher/botan.cpp

@@ -41,6 +41,7 @@
 #endif
 
 #include <string>
+#include <sstream>
 
 using namespace Botan;
 using std::string;

encfs/CMakeLists.txt

@@ -18,6 +18,7 @@ target_link_libraries (encfs
     encfs-base
     ${GLOG_LIBRARIES}
     ${FUSE_LIBRARIES}
+    ${CMAKE_THREAD_LIBS_INIT}
 )
 
 if (POD2MAN)