os_getcwd(): do not realloc if there was no malloc().

[exim.git] / test / stdout / 0601

220 the.local.host.name ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000\r
received:  message from exim
250 OK\r
250 Accepted\r
354 Enter message, ending with "." on a line by itself\r
250 OK id=10HmaX-0005vi-00\r
221 the.local.host.name closing connection\r