tacme: fix Get of dir in nameless window (thanks Colton Lewis) - plan9port - [fork] Plan 9 from user space
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       ---
 (DIR) commit d213189122bb3cd509cfe706240ffea528fee5f2
 (DIR) parent 2f902c413872154d4f8ff996b837fe7e8bfd111c
 (HTM) Author: Russ Cox <rsc@swtch.com>
       Date:   Fri, 18 Apr 2014 14:03:46 -0400
       
       acme: fix Get of dir in nameless window (thanks Colton Lewis)
       
       TBR=r
       https://codereview.appspot.com/89390043
       
       Diffstat:
         M src/cmd/acme/text.c                 |       2 +-
       
       1 file changed, 1 insertion(+), 1 deletion(-)
       ---
 (DIR) diff --git a/src/cmd/acme/text.c b/src/cmd/acme/text.c
       t@@ -228,7 +228,7 @@ textload(Text *t, uint q0, char *file, int setqid)
                        }
                        t->w->isdir = TRUE;
                        t->w->filemenu = FALSE;
       -                if(t->file->name[t->file->nname-1] != '/'){
       +                if(t->file->nname > 0 && t->file->name[t->file->nname-1] != '/'){
                                rp = runemalloc(t->file->nname+1);
                                runemove(rp, t->file->name, t->file->nname);
                                rp[t->file->nname] = '/';