* subversion/clients/cmdline/util.c (svn_cl__get_log_message): If there is no response back from the external editor, msg2 is NULL and we segfault in svn_stringbuf_create.  Oops.
* subversion/clients/cmdline/util.c (svn_cl__get_log_message): If there
is no response back from the external editor, msg2 is NULL and we segfault
in svn_stringbuf_create.  Oops.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@842140 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion