ANSI C; sprintf now returns an int.

ANSI C; sprintf now returns an int.

SCCS-vsn: usr.bin/ar/ar.c 5.3
SCCS-vsn: old/pcc/cc/cc.c 4.15
SCCS-vsn: usr.bin/du/du.c 4.12
SCCS-vsn: bin/expr/expr.y 4.6
SCCS-vsn: bin/ln/ln.c 4.7
SCCS-vsn: bin/ls/ls.c 5.9
SCCS-vsn: libexec/mail.local/mail.local.c 4.30
SCCS-vsn: bin/mv/mv.c 5.5
SCCS-vsn: old/od/od.c 5.13
SCCS-vsn: old/pr/pr.c 4.7
SCCS-vsn: bin/ps/ps.c 5.11
SCCS-vsn: bin/rcp/rcp.c 5.9
SCCS-vsn: old/tar/tar.c 5.10
SCCS-vsn: usr.bin/wall/wall.c 5.4
SCCS-vsn: old/adb/adb.vax/output.c 4.6
SCCS-vsn: old/adb/adb.vax/output.c 4.6
SCCS-vsn: old/adb/adb.tahoe/output.c 1.2
SCCS-vsn: old/awk/run.c 4.7
SCCS-vsn: old/awk/tran.c 4.5
SCCS-vsn: old/make/gram.y 4.2
SCCS-vsn: old/make/misc.c 4.5
SCCS-vsn: usr.bin/diff/diff/diffdir.c 4.11
SCCS-vsn: usr.bin/diff/diff/diffreg.c 4.17
SCCS-vsn: old/as.vax/asexpr.c 5.4
SCCS-vsn: old/as.vax/asmain.c 5.3
SCCS-vsn: old/as.vax/assyms.c 5.2
SCCS-vsn: old/as.tahoe/asexpr.c 1.3
SCCS-vsn: old/as.tahoe/asexpr.c 1.3
SCCS-vsn: old/as.tahoe/asexpr.c 1.3