Post-merge fixes (adapting new SP code to 4.1 changes).

sql/sql_class.cc:
  Unlock tables after a SELECT INTO variables, or an assert() in lock_tables() fails.
  Note: This might be a problem with other SELECT variants too.
sql/sql_yacc.yy:
  Make all bison versions work (hopefully).

sql/sp.cc

@@ -48,12 +48,12 @@ sp_find_procedure(THD *thd, Item_string *iname)
 				  HA_READ_KEY_EXACT))
     goto done;
 
-  if ((defstr= get_field(&thd->mem_root, table, 1)) == NULL)
+  if ((defstr= get_field(&thd->mem_root, table->field[1])) == NULL)
     goto done;
 
   // QQ Set up our own mem_root here???
   tmplex= lex_start(thd, (uchar*)defstr, strlen(defstr));
-  if (yyparse(thd) || thd->fatal_error || tmplex->sphead == NULL)
+  if (yyparse(thd) || thd->is_fatal_error || tmplex->sphead == NULL)
     goto done;			// Error
   else
     sp = tmplex->sphead;

sql/sql_class.cc

@@ -1043,6 +1043,15 @@ bool select_dumpvar::send_data(List<Item> &items)
 
 bool select_dumpvar::send_eof()
 {
+  /* This mimics select_send::send_eof(), which unlocks this way.
+   * It appears to be necessary, since tables aren't unlock after
+   * selects otherwise.
+   */
+  if (thd->lock)
+  {
+    mysql_unlock_tables(thd, thd->lock);
+    thd->lock=0;
+  }
   if (row_count)
   {
     ::send_ok(thd,row_count);

sql/sql_parse.cc

@@ -2982,13 +2982,17 @@ mysql_execute_command(THD *thd)
       }
       else
       {
+#ifndef EMBEDDED_LIBRARY
 	// When executing substatements, they're assumed to send_error when
 	// it happens, but not to send_ok.
 	my_bool nsok= thd->net.no_send_ok;
 
 	thd->net.no_send_ok= TRUE;
+#endif
 	res= sp->execute(thd);
+#ifndef EMBEDDED_LIBRARY
 	thd->net.no_send_ok= nsok;
+#endif
 
 	if (res == 0)
 	  send_ok(thd);

sql/sql_yacc.yy

@@ -1224,9 +1224,9 @@ sp_case:
 	;
 
 sp_whens:
-	  /* Empty */
-	| WHEN_SYM sp_case
-	| ELSE sp_proc_stmts
+	  /* Empty */ {}
+	| WHEN_SYM sp_case {}
+	| ELSE sp_proc_stmts {}
 	;
 
 sp_labeled_control: