Problem is Media Maters, the sole source for this, is a know Left wing campaign operation. Back in the mid 2000s Hillary Clinton bragged about how she set up Media Matters.
I suspect Gingrich was making the point about News Media coverage of Trump in general and MM, in the habitual lying fashion, mis quoted it to push their Leftist Political agenda against Fox New.
Gingrich actually likes Trump was licking trumps boots on Hannity ready Gingrich was not complaining