Prevent loading KDE plugins for Qt4

Since they cause crashes pretty much all the time (KDE bug #234484).

Fixes: LP#408719, Debian #580396.

bin/override.c

@@ -280,6 +280,17 @@ int (*XSetIOErrorHandler (int (*handler) (Display *))) (Display *)
     return CALL(XSetIOErrorHandler, handler);
 }
 #endif
+
+/*** Buggy shared objects ***/
+#include <string.h>
+
+void *dlopen (const char *path, int flag)
+{
+    if (strstr (path, "/gui_platform/libkde.so"))
+        return NULL; /* Oh no, not that one! */
+    return CALL(dlopen, path, flag);
+}
+
 #else
 void vlc_enable_override (void)
 {

bin/vlc.c

@@ -199,14 +199,5 @@ int main( int i_argc, const char *ppsz_argv[] )
     for (int i = 2; i < argc; i++)
         LocaleFree (argv[i]);
 
-#ifdef RTLD_NOLOAD
-    /* Avoid crash in KIO scheduler cleanup. */
-    /* This is ugly, but we get way too many crash reports due to this. */
-    if (dlopen ("libkfilemodule.so", RTLD_LAZY|RTLD_LOCAL|RTLD_NOLOAD) != NULL)
-    {
-        fprintf (stderr, "KFile plugin present. Unclean shutdown!\n");
-        _exit (0);
-    }
-#endif
     return 0;
 }