fixes #301: refix locking impl

git-svn-id: svn://svn.lighttpd.net/xcache/trunk@1245 c26eb9a1-5813-0410-bd6c-c2e55f420ca7

ChangeLog

@@ -10,6 +10,7 @@ ChangeLog
  * fixes #303: tablesort.js not found in Diagnosis and Coverager
  * fixes #297: segv on startup under sparc, ini setting overflow
  * fixes #296: Multiple instances of the same software causes PHP "cannot redeclare class" errors when readonly_protection is not in use
+ * fixes #301: refix locking impl
 
 3.0.1 2013-01-11
 ChangeLog

xcache/xc_lock.c

@@ -28,7 +28,7 @@
 
 /* {{{ detect which lock is needed */
 #if defined(XC_LOCK_NEED_TS) && defined(XC_LOCK_NEED_INTERPROCESS)
-#	ifdef PTHREAD
+#	ifdef PTHREADS
 #		define XC_LOCK_USE_PTHREAD
 #		ifndef _POSIX_THREAD_PROCESS_SHARED
 #			define XC_LOCK_USE_FCNTL
@@ -278,7 +278,6 @@ void xc_lock_destroy(xc_lock_t *lck) /* {{{ */
 
 #ifdef XC_LOCK_USE_TSRM
 	tsrm_mutex_free(lck->tsrm_mutex);
-	lck->tsrm_mutex = NULL;
 #endif
 
 #ifdef XC_LOCK_USE_FCNTL