switched to use of __BIONIC__ define instead of commenting lines out
diff --git a/bashline.c b/bashline.c
index 174ea80..53ae281 100644
--- a/bashline.c
+++ b/bashline.c
@@ -2102,9 +2102,9 @@
      const char *text;
      int state;
 {
-//#if defined (__WIN32__) || defined (__OPENNT) || !defined (HAVE_GRP_H)
+#if defined (__BIONIC__) || defined (__WIN32__) || defined (__OPENNT) || !defined (HAVE_GRP_H)
   return ((char *)NULL);
-/*#else
+#else
   static char *gname = (char *)NULL;
   static struct group *grent;
   static int gnamelen;
@@ -2133,7 +2133,7 @@
 
   value = savestring (grent->gr_name);
   return (value);
-#endif*/
+#endif
 }
 
 /* Functions to perform history and alias expansions on the current line. */