2012-09-09  Paul Smith  <psmith@gnu.org>

	* read.c (eval): Use the correct pointer when adding to the variable buffer.

	Fixes Savannah bug #36106.

--- a/read.c

+++ b/read.c

@@ -1078,12 +1078,12 @@ eval (struct ebuffer *ebuf, int set_default)

                after it.  */

             if (semip)

               {

-                unsigned int l = p - variable_buffer;

+                unsigned int l = p2 - variable_buffer;

                 *(--semip) = ';';

                 collapse_continuations (semip);

                 variable_buffer_output (p2 + strlen (p2),

                                         semip, strlen (semip)+1);

-                p = variable_buffer + l;

+                p2 = variable_buffer + l;

               }

             record_target_var (filenames, p2,

                                vmod.override_v ? o_override : o_file,