sg3_utils with major/minor errors

[fede2cr]

gcc -DHAVE_CONFIG_H -I. -I.. -iquote ../include -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -W -O2 -fPIC -MT sg_map26.o -MD -MP -MF .deps/sg_map26.Tpo -c -o sg_map26.o sg_map26.c
sg_map26.c: In function 'nt_typ_from_filename':
sg_map26.c:218:14: warning: implicit declaration of function 'major' [-Wimplicit-function-declaration]
ma = major(st.st_rdev);
^~~~~
sg_map26.c:219:14: warning: implicit declaration of function 'minor'; did you mean 'mknod'? [-Wimplicit-function-declaration]
mi = minor(st.st_rdev);
^~~~~
mknod