Moved nsNetStream.h include to nsHttpUrl.h from the .cpp file to fix build busta

ge on gcc 2.7.2.3 due to incomplete type errors.

network/module/nsHttpUrl.cpp

@@ -25,7 +25,6 @@
 #include "nsString.h"
 
 #include "nsINetService.h"  /* XXX: NS_FALSE */
-#include "nsNetStream.h"
 
 #include "prmem.h"
 #include "plstr.h"

network/module/nsHttpUrl.h

@@ -19,6 +19,7 @@
 #ifndef nsHttpUrl_h__
 #define nsHttpUrl_h__
 
+#include "nsNetStream.h"
 #include "nsIURL.h"
 #include "nsINetlibURL.h"
 #include "nsIHttpURL.h"