Import SQLite 3.7.6.3.

third_party/sqlite/src/src/mutex.h

Index: third_party/sqlite/src/src/mutex.h
diff --git a/third_party/sqlite/src/src/mutex.h b/third_party/sqlite/src/src/mutex.h
index 9457cb403c00e9f4967c88abfc0901cda60d107f..c24f3da4c622c1904cc74e25babb3e524283a844 100644
--- a/third_party/sqlite/src/src/mutex.h
+++ b/third_party/sqlite/src/src/mutex.h
@@ -18,8 +18,6 @@
 ** NOTE:  source files should *not* #include this header file directly.
 ** Source files should #include the sqliteInt.h file and let that file
 ** include this one indirectly.
-**
-** $Id: mutex.h,v 1.9 2008/10/07 15:25:48 drh Exp $
 */
 
 
@@ -65,9 +63,9 @@
 #define sqlite3_mutex_enter(X)
 #define sqlite3_mutex_try(X)      SQLITE_OK
 #define sqlite3_mutex_leave(X)
-#define sqlite3_mutex_held(X)     1
-#define sqlite3_mutex_notheld(X)  1
+#define sqlite3_mutex_held(X)     ((void)(X),1)
+#define sqlite3_mutex_notheld(X)  ((void)(X),1)
 #define sqlite3MutexAlloc(X)      ((sqlite3_mutex*)8)
 #define sqlite3MutexInit()        SQLITE_OK
 #define sqlite3MutexEnd()
-#endif /* defined(SQLITE_OMIT_MUTEX) */
+#endif /* defined(SQLITE_MUTEX_OMIT) */