Cdbext: version bump

Change-Id: I78655f7da3d414f80e7cdffb3e415549bc0a38ad
Reviewed-by: Christian Stenger <christian.stenger@theqtcompany.com>

src/libs/qtcreatorcdbext/qtcreatorcdbextension.cpp

@@ -279,7 +279,7 @@ extern "C" HRESULT CALLBACK pid(CIDebugClient *client, PCSTR args)
 
     int token;
     commandTokens<StringList>(args, &token);
-    dprintf("Qt Creator CDB extension version 3.3 %d bit.\n",
+    dprintf("Qt Creator CDB extension version 3.4 %d bit.\n",
             sizeof(void *) * 8);
     if (const ULONG pid = currentProcessId(client))
         ExtensionContext::instance().report('R', token, 0, "pid", "%u", pid);