2 files changed, 5 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 922f4f06..f3ca45bc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2016-06-09         Arnold D. Robbins     <arnold@skeeve.com>
+
+	* dfa.c: Sync with GNU grep.
+
 2016-06-08         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* symbol.c (lookup): If got Node_val, it's a non-variable
diff --git a/dfa.c b/dfa.c
index a41914e0..97d4497b 100644
--- a/dfa.c
+++ b/dfa.c
@@ -1222,7 +1222,7 @@ parse_bracket_exp (void)
 
   if (dfa->multibyte)
     {
-      static charclass zeroclass;
+      static charclass const zeroclass;
       work_mbc->invert = invert;
       work_mbc->cset = equal (ccl, zeroclass) ? -1 : charclass_index (ccl);
       return MBCSET;