Restrict ownership of symbol data buffers to symbol supplier.

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@721 4c0a9323-5329-0410-9bdc-e9ce6186880e

src/processor/exploitability_unittest.cc

@@ -98,6 +98,7 @@ class TestSymbolSupplier : public SymbolSupplier {
                                             string *symbol_file,
                                             char **symbol_data);
 
+  virtual void FreeSymbolData(const CodeModule *module) { }
   // When set to true, causes the SymbolSupplier to return INTERRUPT
   void set_interrupt(bool interrupt) { interrupt_ = interrupt; }