use more specific condition to workaround 64-bit bug in PDFBorder, so it will be ignored when Apple fixes it in the future
use more specific condition to workaround 64-bit bug in PDFBorder, so it will be ignored when Apple fixes it in the future

JackieXie168/skim,JackieXie168/skim,JackieXie168/skim,JackieXie168/skim,JackieXie168/skim