CVS commit by waba: 

Prevent destruction order problem with libraries.
Fixes problem with io-slaves hanging on exit.


  M +2 -1      klibloader.cpp   1.59.2.2
  M +2 -0      klibloader.h   1.54.2.1


--- kdelibs/kdecore/klibloader.cpp  #1.59.2.1:1.59.2.2
@@ -189,5 +189,6 @@ bool KLibrary::hasSymbol( const char* sy
 void KLibrary::unload() const
 {
-   KLibLoader::self()->unloadLibrary(QFile::encodeName(name()));
+   if (KLibLoader::s_self)
+      KLibLoader::s_self->unloadLibrary(QFile::encodeName(name()));
 }
 

--- kdelibs/kdecore/klibloader.h  #1.54:1.54.2.1
@@ -140,4 +140,6 @@ class KLibWrapPrivate;
 class KLibLoader : public QObject
 {
+    friend class KLibrary;
+
     Q_OBJECT
 public: