File clucene-2.3.3.4-fix-threads.patch of Package mingw64-clucene

Added a little patch to fix up some compile problems related to threads
on Win64 targets.
--- a/src/shared/CLucene/LuceneThreads.h
+++ b/src/shared/CLucene/LuceneThreads.h
@@ -30,6 +30,9 @@
   #define _LUCENE_ATOMIC_INC(theInteger) (++(*theInteger))
   #define _LUCENE_ATOMIC_DEC(theInteger) (--(*theInteger))
   #define _LUCENE_ATOMIC_INT int
+  
+  	#define _LUCENE_ATOMIC_INT_SET(x, v) x=v
+  	#define _LUCENE_ATOMIC_INT_GET(x) x
 #else
 	#if defined(_LUCENE_DONTIMPLEMENT_THREADMUTEX)
 		//do nothing
--- a/src/core/CLucene/store/FSDirectory.cpp
+++ b/src/core/CLucene/store/FSDirectory.cpp
@@ -582,7 +582,9 @@
   void FSDirectory::close(){
     SCOPED_LOCK_MUTEX(DIRECTORIES_LOCK)
     {
+#if !defined(_CL_DISABLE_MULTITHREADING)
 	    THIS_LOCK.lock();
+#endif
 
 	    CND_PRECONDITION(directory[0]!=0,"directory is not open");
 
@@ -595,7 +597,9 @@
 	            return;
 	        }
 	    }
+#if !defined(_CL_DISABLE_MULTITHREADING)
 	    THIS_LOCK.unlock();  
+#endif
 	  }
    }
 
--- a/src/shared/CLucene/util/Misc.cpp
+++ b/src/shared/CLucene/util/Misc.cpp
@@ -474,6 +474,7 @@
   }
   return toString(ids[value]);
 }
+#if !defined(_CL_DISABLE_MULTITHREADING)
 std::string Misc::toString(const int32_t value){
   char buf[20];
   TCHAR tbuf[20];
@@ -481,6 +482,7 @@
   STRCPY_TtoA(buf,tbuf,20);
   return buf;
 }
+#endif
 std::string Misc::toString(const int64_t value){
   char buf[20];
   TCHAR tbuf[20];
--- a/src/shared/CLucene/util/Misc.h
+++ b/src/shared/CLucene/util/Misc.h
@@ -67,7 +67,9 @@
 
   static std::string toString(const int32_t value);
   static std::string toString(const int64_t value);
+#if !defined(_CL_DISABLE_MULTITHREADING)
   static std::string toString(const _LUCENE_THREADID_TYPE value);
+#endif
   static std::string toString(const bool value);
   static std::string toString(const float_t value);
   static std::string toString(const TCHAR* s, int32_t len=-1);