Make sqlite3 tests editable with Emacs

Change the coding declaration from ISO-8859-1 to iso-8859-1. Emacs
doesn't understand the former.
diff --git a/Lib/sqlite3/test/dbapi.py b/Lib/sqlite3/test/dbapi.py
index 202bd38..b7ec1ad 100644
--- a/Lib/sqlite3/test/dbapi.py
+++ b/Lib/sqlite3/test/dbapi.py
@@ -1,4 +1,4 @@
-#-*- coding: ISO-8859-1 -*-
+#-*- coding: iso-8859-1 -*-
 # pysqlite2/test/dbapi.py: tests for DB-API compliance
 #
 # Copyright (C) 2004-2010 Gerhard Häring <gh@ghaering.de>
diff --git a/Lib/sqlite3/test/factory.py b/Lib/sqlite3/test/factory.py
index 7f6f347..5569585 100644
--- a/Lib/sqlite3/test/factory.py
+++ b/Lib/sqlite3/test/factory.py
@@ -1,4 +1,4 @@
-#-*- coding: ISO-8859-1 -*-
+#-*- coding: iso-8859-1 -*-
 # pysqlite2/test/factory.py: tests for the various factories in pysqlite
 #
 # Copyright (C) 2005-2007 Gerhard Häring <gh@ghaering.de>
diff --git a/Lib/sqlite3/test/hooks.py b/Lib/sqlite3/test/hooks.py
index dad35d9..97abe5f 100644
--- a/Lib/sqlite3/test/hooks.py
+++ b/Lib/sqlite3/test/hooks.py
@@ -1,4 +1,4 @@
-#-*- coding: ISO-8859-1 -*-
+#-*- coding: iso-8859-1 -*-
 # pysqlite2/test/hooks.py: tests for various SQLite-specific hooks
 #
 # Copyright (C) 2006-2007 Gerhard Häring <gh@ghaering.de>
diff --git a/Lib/sqlite3/test/regression.py b/Lib/sqlite3/test/regression.py
index c7551e3..9d7b276 100644
--- a/Lib/sqlite3/test/regression.py
+++ b/Lib/sqlite3/test/regression.py
@@ -1,4 +1,4 @@
-#-*- coding: ISO-8859-1 -*-
+#-*- coding: iso-8859-1 -*-
 # pysqlite2/test/regression.py: pysqlite regression tests
 #
 # Copyright (C) 2006-2010 Gerhard Häring <gh@ghaering.de>
diff --git a/Lib/sqlite3/test/transactions.py b/Lib/sqlite3/test/transactions.py
index 70e96a1..feb4fa1 100644
--- a/Lib/sqlite3/test/transactions.py
+++ b/Lib/sqlite3/test/transactions.py
@@ -1,4 +1,4 @@
-#-*- coding: ISO-8859-1 -*-
+#-*- coding: iso-8859-1 -*-
 # pysqlite2/test/transactions.py: tests transactions
 #
 # Copyright (C) 2005-2007 Gerhard Häring <gh@ghaering.de>
diff --git a/Lib/sqlite3/test/types.py b/Lib/sqlite3/test/types.py
index d214f3d..3b4cb6d 100644
--- a/Lib/sqlite3/test/types.py
+++ b/Lib/sqlite3/test/types.py
@@ -1,4 +1,4 @@
-#-*- coding: ISO-8859-1 -*-
+#-*- coding: iso-8859-1 -*-
 # pysqlite2/test/types.py: tests for type conversion and detection
 #
 # Copyright (C) 2005 Gerhard Häring <gh@ghaering.de>
diff --git a/Lib/sqlite3/test/userfunctions.py b/Lib/sqlite3/test/userfunctions.py
index 8bfc591..0541e25 100644
--- a/Lib/sqlite3/test/userfunctions.py
+++ b/Lib/sqlite3/test/userfunctions.py
@@ -1,4 +1,4 @@
-#-*- coding: ISO-8859-1 -*-
+#-*- coding: iso-8859-1 -*-
 # pysqlite2/test/userfunctions.py: tests for user-defined functions and
 #                                  aggregates.
 #