=== modified file 'src/ChangeLog'
--- src/ChangeLog	2014-05-06 21:13:37 +0000
+++ src/ChangeLog	2014-05-07 10:11:31 +0000
@@ -1,3 +1,9 @@
+2014-05-07  Jarek Czekalski  <jarekczek@poczta.onet.pl>
+
+	Fix initialization of minibuffer history variable (Bug#xxxxx).
+	* minibuf.c (read_minibuf): Initialize histval to Qnil if unbound.
+	Move the initialization up to prevent any "value void" message.
+
 2014-05-06  Paul Eggert  <eggert@cs.ucla.edu>
 
 	* image.c: Do not use libpng if HAVE_NS, as NS does its own thing.

=== modified file 'src/minibuf.c'
--- src/minibuf.c	2014-03-21 17:04:50 +0000
+++ src/minibuf.c	2014-05-07 10:09:50 +0000
@@ -384,6 +384,7 @@
   EMACS_INT pos = 0;
   /* String to add to the history.  */
   Lisp_Object histstring;
+  Lisp_Object histval;
 
   Lisp_Object empty_minibuf;
   Lisp_Object dummy, frame;
@@ -535,6 +536,13 @@
   if (!NILP (Vminibuffer_completing_file_name))
     Vminibuffer_completing_file_name = Qlambda;
 
+  /* If variable is unbound, make it nil.  */
+  histval = find_symbol_value (Vminibuffer_history_variable);
+  if (EQ (histval, Qunbound)) {
+    Fset (Vminibuffer_history_variable, Qnil);
+    histval = Qnil;
+  }
+
   if (inherit_input_method)
     {
       /* `current-input-method' is buffer local.  So, remember it in
@@ -703,13 +711,6 @@
     {
       /* If the caller wanted to save the value read on a history list,
 	 then do so if the value is not already the front of the list.  */
-      Lisp_Object histval;
-
-      /* If variable is unbound, make it nil.  */
-
-      histval = find_symbol_value (Vminibuffer_history_variable);
-      if (EQ (histval, Qunbound))
-	Fset (Vminibuffer_history_variable, Qnil);
 
       /* The value of the history variable must be a cons or nil.  Other
 	 values are unacceptable.  We silently ignore these values.  */