Issues on OSX about gvm HOT 10 CLOSED

# Building C bootstrap tool.
cmd/dist

# Building compilers and Go bootstrap tool for host, darwin/amd64.
lib9
/Users/peters/.gvm/gos/go1/src/lib9/ctime.c:19:26: error: adding 'int' to a string does not append to the string [-Werror,-Wstring-plus-int]
                "SunMonTueWedThuFriSat"+(tm->tm_wday*3),
                ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
/Users/peters/.gvm/gos/go1/src/lib9/ctime.c:19:26: note: use array indexing to silence this warning
                "SunMonTueWedThuFriSat"+(tm->tm_wday*3),
                                       ^
                &                      [               ]
/Users/peters/.gvm/gos/go1/src/lib9/ctime.c:20:41: error: adding 'int' to a string does not append to the string [-Werror,-Wstring-plus-int]
                "JanFebMarAprMayJunJulAugSepOctNovDec"+(tm->tm_mon*3),
                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
/Users/peters/.gvm/gos/go1/src/lib9/ctime.c:20:41: note: use array indexing to silence this warning
                "JanFebMarAprMayJunJulAugSepOctNovDec"+(tm->tm_mon*3),
                                                      ^
                &                                     [              ]
2 errors generated.
go tool dist: FAILED: gcc -Wall -Wno-sign-compare -Wno-missing-braces -Wno-parentheses -Wno-unknown-pragmas -Wno-switch -Wno-comment -Werror -fno-common -ggdb -O2 -c -m64 -DPLAN9PORT -I /Users/peters/.gvm/gos/go1/include -I /Users/peters/.gvm/gos/go1/src/lib9 -o /Users/peters/.gvm/gos/go1/pkg/obj/lib9/ctime.o /Users/peters/.gvm/gos/go1/src/lib9/ctime.c