fix the problem with the patch for 367829 pointed out by biesi

widget/src/gtk2/nsDeviceContextSpecG.cpp

@@ -414,7 +414,7 @@ NS_IMETHODIMP nsDeviceContextSpecGTK::GetSurfaceForPrinter(gfxASurface **aSurfac
 
   nsresult rv = NS_ERROR_FAILURE;
 #ifndef MOZ_ENABLE_POSTSCRIPT
-  nsPrintJobFactoryGTK::CreatePrintJob(this, mPrintJob);
+  rv = nsPrintJobFactoryGTK::CreatePrintJob(this, mPrintJob);
 #endif
   if (NS_FAILED(rv))
     return rv;