Fixed typo in covariate names

[trietmnj]

Covariate names were stored as x_name in MGWRResult instead of the name_x convention used everywhere else, leading to MGWRResult.summary(), summaryGLM(), and summaryMGWR() unable to display the covariate names even if they are specified. Just a simple typo correction.

mgwr/mgwr/gwr.py

Line 1284 in 5b484ef

summary = summaryModel(self) + summaryGLM(self) + summaryGWR(self)

mgwr/mgwr/summary.py

Line 17 in 5b484ef

if self.name_x is not None:

mgwr/mgwr/summary.py

Line 62 in 5b484ef

if self.name_x is not None:

[martinfleis]

My bad! Thanks for noticing!