Rename tests/glr-regr1.at to tests/glr-regression.at.

tests/glr-regression.at: Add new regression test for the problems
 reported by S. Eken with semantic values for embedded rules.
Update copyright notice.
tests/testsuite.at, tests/Makefile.am: Rename glr-regr1.at to
 glr-regression.at.

tests/cxx-type.at

@@ -72,7 +72,7 @@ stmt : expr ';'  $2
      | '@'  { YYACCEPT; }
      ;
 
-expr : ID 		{ printf ("%s ", $$); }
+expr : ID 		{ printf ("%s ", ]$[1); }
      | TYPENAME '(' expr ')'
 			{ printf ("%s <cast> ", ]$[1); }
      | expr '+' expr	{ printf ("+ "); }