I can confirm that nano now compiles without error with the attached patch

compile of nano 8.2 with gcc 15-20241117 errors as below.

gcc -DHAVE_CONFIG_H -I. -I/build/nano-8.2/src -I..  -DLOCALEDIR=\"/usr/share/locale\" -DSYSCONFDIR=\"/etc\" -I../lib -I/build/nano-8.2/lib -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600   -march=x86-64-v3 -Wall -pipe  -O2 -fomit-frame-pointer -DNDEBUG -Wall -MT move.o -MD -MP -MF .deps/move.Tpo -c -o move.o /build/nano-8.2/src/move.c

../../src/move.c: In function 'to_top_row':
../../src/move.c:192:24: error: assignment to 'NCURSES_BOOL' {aka 'int'} from 'linestruct *' makes integer from pointer without a cast [-Wint-conversion]
  192 |         refresh_needed = (openfile->mark);
      |                        ^
../../src/move.c: In function 'to_bottom_row':
../../src/move.c:208:24: error: assignment to 'NCURSES_BOOL' {aka 'int'} from 'linestruct *' makes integer from pointer without a cast [-Wint-conversion]
  208 |         refresh_needed = (openfile->mark);
      |                        ^
make[2]: * [Makefile:2274: move.o] Error 1