SIGSEGV bug.

[Argo Vessmann]

There is a bug in libgii that causes programs to SIGSEGV, when there is
no HOME environment variable.

Problem is in function ggGetUserDir().

Here is one possible fix:

diff -c libgii-0.8.1/gg/misc.c libgii-0.8.1.new/gg/misc.c
*** libgii-0.8.1/gg/misc.c      Sun Aug 26 17:57:18 2001
--- libgii-0.8.1.new/gg/misc.c  Tue Sep 10 10:25:52 2002
***************
*** 52,57 ****
--- 52,59 ----
        int len;

        ptr = getenv("HOME");
+       if ( !ptr )
+               ptr = "/";
        len = strlen(ptr);
        if (len + APPENDLEN > PATH_MAX) return NULL;