Bug 622474 - [QT] ipdlunittest does not work on Qt port r=dougt a=npodb

toolkit/xre/nsEmbedFunctions.cpp

@@ -35,6 +35,10 @@
  *
  * ***** END LICENSE BLOCK ***** */
 
+#if defined(MOZ_WIDGET_QT)
+#include "nsQAppInstance.h"
+#endif
+
 #ifdef MOZ_IPC
 #include "base/basictypes.h"
 #endif
@@ -393,6 +397,10 @@ XRE_InitChildProcess(int aArgc,
   g_thread_init(NULL);
 #endif
 
+#if defined(MOZ_WIDGET_QT)
+  nsQAppInstance::AddRef();
+#endif
+
   if (PR_GetEnv("MOZ_DEBUG_CHILD_PROCESS")) {
 #ifdef OS_POSIX
       printf("\n\nCHILDCHILDCHILDCHILD\n  debug me @%d\n\n", getpid());