trunc and gcc 10

[Andrew Cagney <andrew.cagney%gmail.com@localhost>]

here's another one

cc -fcommon -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
-D_FILE_OFFSET_BITS=64
-I/home/cagney/netbsd-build/trunk/evbarm64/tools/compat
-I/home/cagney/netbsd-build/trunk/evbarm64/tools/compat/include
-I/home/cagney/netbsd-build/trunk/src/tools/compat
-DHAVE_NBTOOL_CONFIG_H=1 -D_FILE_OFFSET_BITS=64
-I/home/cagney/netbsd-build/trunk/src/tools/binstall/../compat/sys
-DTARGET_STRIP=\"/home/cagney/netbsd-build/trunk/tools/bin/aarch64--netbsd-strip\"
-I/home/cagney/netbsd-build/trunk/src/usr.bin/make -DMAKE_NATIVE
-I/home/cagney/netbsd-build/trunk/src/usr.sbin/mtree   -o xinstall
xinstall.lo getid.lo metachar.lo
-L/home/cagney/netbsd-build/trunk/evbarm64/tools/compat -lnbcompat
-lrt -lz
/usr/bin/ld: xinstall.lo: in function `do_link':
xinstall.c:(.text+0xd25): warning: the use of `mktemp' is dangerous,
better use `mkstemp' or `mkdtemp'
/usr/bin/ld: xinstall.lo: in function `NoExecute':
xinstall.c:(.text+0x261): undefined reference to `noRecursiveExecute'
/usr/bin/ld: xinstall.c:(.text+0x269): undefined reference to `noExecute'
/usr/bin/ld: metachar.lo: in function `NoExecute':
metachar.c:(.text+0x261): undefined reference to `noRecursiveExecute'
/usr/bin/ld: metachar.c:(.text+0x269): undefined reference to `noExecute'
collect2: error: ld returned 1 exit status

NoExecute was changed from a macro to a static function in a header;
always trouble.