- hostmask.c:mask_addr(): ficed compile warnings:

hostmask.c: In function ‘mask_addr’:
hostmask.c:332:35: warning: declaration of ‘__v’ shadows a previous local [-Wshadow]
hostmask.c:332:35: warning: shadowed declaration is here [-Wshadow]
hostmask.c:332:35: warning: declaration of ‘__x’ shadows a previous local [-Wshadow]
hostmask.c:332:35: warning: shadowed declaration is here [-Wshadow]