file.cpp: add virtual destructor to File_impl to stop compiler warning

Signed-off-by: Steven Noonan <steven@uplinklabs.net>
tycho · Apr 20, 2015 · 7c4acea · 7c4acea
1 parent 2ce3c6c
commit 7c4acea
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/file.cpp b/file.cpp
@@ -23,6 +23,8 @@
 struct File_impl {
 	bool _ioErr;
 	File_impl() : _ioErr(false) {}
+	virtual ~File_impl() {}
+
 	virtual bool open(const char *path, const char *mode) = 0;
 	virtual void close() = 0;
 	virtual void seek(int32_t off) = 0;