Ensure that the saved TZ is actually 0 terminated
Ensure that the saved TZ is actually 0 terminated

Valgrind caught this by marking it as an uninitialized jump, because
strcmp was used later on.

kachick/rubinius,Azizou/rubinius,Azizou/rubinius,jemc/rubinius,jemc/rubinius,digitalextremist/rubinius,mlarraz/rubinius,heftig/rubinius,pH14/rubinius,Wirachmat/rubinius,kachick/rubinius,pH14/rubinius,pH14/rubinius,benlovell/rubinius,pH14/rubinius,mlarraz/rubinius,ruipserra/rubinius,Azizou/rubinius,heftig/rubinius,benlovell/rubinius,sferik/rubinius,mlarraz/rubinius,Wirachmat/rubinius,ngpestelos/rubinius,ngpestelos/rubinius,dblock/rubinius,Wirachmat/rubinius,heftig/rubinius,sferik/rubinius,benlovell/rubinius,ruipserra/rubinius,dblock/rubinius,ngpestelos/rubinius,heftig/rubinius,jsyeo/rubinius,Azizou/rubinius,digitalextremist/rubinius,pH14/rubinius,jemc/rubinius,benlovell/rubinius,Wirachmat/rubinius,dblock/rubinius,sferik/rubinius,digitalextremist/rubinius,ruipserra/rubinius,mlarraz/rubinius,digitalextremist/rubinius,Wirachmat/rubinius,jsyeo/rubinius,dblock/rubinius,digitalextremist/rubinius,mlarraz/rubinius,dblock/rubinius,kachick/rubinius,ruipserra/rubinius,digitalextremist/rubinius,sferik/rubinius,sferik/rubinius,sferik/rubinius,pH14/rubinius,jemc/rubinius,benlovell/rubinius,Azizou/rubinius,pH14/rubinius,ruipserra/rubinius,jsyeo/rubinius,jemc/rubinius,jsyeo/rubinius,jsyeo/rubinius,ngpestelos/rubinius,dblock/rubinius,kachick/rubinius,jemc/rubinius,sferik/rubinius,kachick/rubinius,ngpestelos/rubinius,ruipserra/rubinius,ngpestelos/rubinius,dblock/rubinius,benlovell/rubinius,Wirachmat/rubinius,heftig/rubinius,Azizou/rubinius,kachick/rubinius,mlarraz/rubinius,heftig/rubinius,digitalextremist/rubinius,jsyeo/rubinius,kachick/rubinius,jsyeo/rubinius,jemc/rubinius,benlovell/rubinius,ruipserra/rubinius,Azizou/rubinius,mlarraz/rubinius,heftig/rubinius,Wirachmat/rubinius,kachick/rubinius,ngpestelos/rubinius