Probably fix SQLITE_BUSY errors

src/libstore/sqlite.cc

@@ -73,6 +73,11 @@ SQLiteStmt::Use::Use(SQLiteStmt & stmt)
     sqlite3_reset(stmt);
 }
 
+SQLiteStmt::Use::~Use()
+{
+    sqlite3_reset(stmt);
+}
+
 SQLiteStmt::Use & SQLiteStmt::Use::operator () (const std::string & value, bool notNull)
 {
     if (notNull) {

src/libstore/sqlite.hh

@@ -40,6 +40,8 @@ struct SQLiteStmt
 
     public:
 
+        ~Use();
+
         /* Bind the next parameter. */
         Use & operator () (const std::string & value, bool notNull = true);
         Use & operator () (int64_t value, bool notNull = true);