fsck_ext2fs fails to compile

[Kurt Schreiner <ks%ub.uni-mainz.de@localhost>]

Hi,

with -current source cvs update't ca. Jan  6 21:48 MET, fsck_ext2fs doesn't
compile anymore:

>-1005: /u/NetBSD/arch/amd64/TOOLS/bin/nbmake-amd64 dependall
    compile  fsck_ext2fs/dir.o
    compile  fsck_ext2fs/inode.o
    compile  fsck_ext2fs/main.o
/u/NetBSD/src/sbin/fsck_ext2fs/main.c:90: error: expected '=', ',', ';', 'asm' 
or '__attribute__' before 'sigatomic_t'
/u/NetBSD/src/sbin/fsck_ext2fs/main.c: In function 'main':
/u/NetBSD/src/sbin/fsck_ext2fs/main.c:177: error: 'returntosingle' undeclared 
(first use in this function)
/u/NetBSD/src/sbin/fsck_ext2fs/main.c:177: error: (Each undeclared identifier 
is reported only once
/u/NetBSD/src/sbin/fsck_ext2fs/main.c:177: error: for each function it appears 
in.)

*** Failed target:  main.o
*** Failed command: /u/NetBSD/arch/amd64/TOOLS/bin/x86_64--netbsd-gcc -O2 -pipe 
-Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith 
-Wno-sign-compare -Wno-traditional -Wa,--fatal-warnings -Wreturn-type -Wswitch 
-Wshadow -Wcast-qual -Wwrite-strings -Wextra -Wno-unused-parameter 
-Wsign-compare -std=gnu99 -Werror -I/u/NetBSD/src/sbin/fsck -nostdinc -isystem 
/u/NetBSD/arch/amd64/dest/usr/include -c /u/NetBSD/src/sbin/fsck_ext2fs/main.c
*** Error code 1

Stop.
nbmake: stopped in /u/NetBSD/src/sbin/fsck_ext2fs

*** Failed target:  dependall
*** Failed command: cd /u/NetBSD/src/sbin/fsck_ext2fs; 
/u/NetBSD/arch/amd64/TOOLS/bin/nbmake realall
*** Error code 1

Stop.
nbmake: stopped in /u/NetBSD/src/sbin/fsck_ext2fs


Kurt