terminate buffer if size = 0 - sob - simple output bar
 (HTM) git clone git://git.codemadness.org/sob
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       ---
 (DIR) commit a4b4f1c4dada4128c004a959c5dd1f40ec340a6e
 (DIR) parent 12d2c2bd8352b53400a7808b51ffdc2aa757c753
 (HTM) Author: Hiltjo Posthuma <hiltjo@codemadness.org>
       Date:   Thu,  2 Oct 2014 01:01:44 +0000
       
       terminate buffer if size = 0
       
       Diffstat:
         M sob.c                               |       1 +
       
       1 file changed, 1 insertion(+), 0 deletions(-)
       ---
 (DIR) diff --git a/sob.c b/sob.c
       @@ -330,6 +330,7 @@ complete_word(void)
                size_t oldlen = line.len;
        
                outbuf[0] = '\0';
       +        wordbuf[0] = '\0';
                line_copywordcursor(wordbuf, sizeof(wordbuf));
        
                if(pipecmd((char**)completewordcmd, wordbuf, outbuf,