Make sure vte doesn't enabled stack-protector on it own on i386 when
OSVERSION < 1000036 (taken from bsd.ssp.mk). Else it fails to build with:
libvte-2.91.so: undefined reference to `__stack_chk_fail_local'.

PR:		195267
Submitted by:	bar@


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@373430 35697150-7ecd-e111-bb59-0022644237b5
Update to GNU grep 2.21


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@373431 35697150-7ecd-e111-bb59-0022644237b5