69862. r=bienvenu sr=scc@mozilla.org. Check and close the file stream in the destructor

xpcom/io/nsFileStream.cpp

@@ -310,6 +310,14 @@ nsInputFileStream::nsInputFileStream(nsIFileSpec* inSpec)
 	NS_RELEASE(stream);
 } // nsInputFileStream::nsInputFileStream
 
+//----------------------------------------------------------------------------------------
+nsInputFileStream::~nsInputFileStream()
+//----------------------------------------------------------------------------------------
+{
+    if (is_open())
+      close();
+}
+
 //----------------------------------------------------------------------------------------
 void nsInputFileStream::AssignFrom(nsISupports* stream)
 //----------------------------------------------------------------------------------------
@@ -337,6 +345,13 @@ nsOutputFileStream::nsOutputFileStream(nsIFileSpec* inSpec)
 	NS_RELEASE(stream);
 }
 
+//----------------------------------------------------------------------------------------
+nsOutputFileStream::~nsOutputFileStream()
+//----------------------------------------------------------------------------------------
+{
+    if (is_open())
+      close();
+}
 //----------------------------------------------------------------------------------------
 void nsOutputFileStream::AssignFrom(nsISupports* stream)
 //----------------------------------------------------------------------------------------

xpcom/io/nsFileStream.h

@@ -481,6 +481,7 @@ public:
                                           int nsprMode = kDefaultMode,
                                           PRIntn accessMode = 00666);
                                       nsInputFileStream(nsIFileSpec* inFile);
+    virtual                           ~nsInputFileStream();
 
     void                              Open(
                                           const nsFileSpec& inFile,
@@ -606,6 +607,7 @@ public:
                                           NS_RELEASE(stream);
                                       }
                                       nsOutputFileStream(nsIFileSpec* inFile);
+    virtual                           ~nsOutputFileStream();
  
     virtual void                      flush();
     virtual void					  abort();