diff --git a/mozilla/netwerk/cache/src/nsDiskCacheStreams.h b/mozilla/netwerk/cache/src/nsDiskCacheStreams.h
index 1a7f196fb5a..468f1e116f0 100644
--- a/mozilla/netwerk/cache/src/nsDiskCacheStreams.h
+++ b/mozilla/netwerk/cache/src/nsDiskCacheStreams.h
@@ -43,7 +43,6 @@ class nsDiskCacheStreamIO : public nsIStreamIO {
 
 // we're implementing nsIStreamIO to leverage the AsyncRead on the FileTransport thread
 
-
 public:
              nsDiskCacheStreamIO(nsDiskCacheBinding *   binding);
     virtual ~nsDiskCacheStreamIO();
@@ -74,6 +73,9 @@ public:
 
 private:
 
+    // GCC 2.95.2 requires this to be defined, although we never call it.
+    nsDiskCacheStreamIO() { NS_NOTREACHED("oops"); }
+
     nsresult    OpenCacheFile(PRIntn flags, PRFileDesc ** fd);
     nsresult    ReadCacheBlocks();
     nsresult    FlushBufferToFile(PRBool  clearBuffer);