Increase account code maximum length to 80.

This increases the maximum length of account code's to match
extensions.  This ensures it is always possible to set an
accountcode to ${EXTEN} without truncation.

ASTERISK-23904
Reported by: Ben Merrills

Change-Id: If122602304ce03362722eb213a3111b32da5eeb9

contrib/ast-db-manage/cdr/versions/54cde9847798_expand_accountcode_to_80.py

@@ -0,0 +1,26 @@
+"""expand accountcode to 80
+
+Revision ID: 54cde9847798
+Revises: 210693f3123d
+Create Date: 2015-11-05 09:54:06.815364
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '54cde9847798'
+down_revision = '210693f3123d'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    op.alter_column('cdr', 'accountcode', type_=sa.String(80))
+    op.alter_column('cdr', 'peeraccount', type_=sa.String(80))
+    pass
+
+
+def downgrade():
+    op.alter_column('cdr', 'accountcode', type_=sa.String(20))
+    op.alter_column('cdr', 'peeraccount', type_=sa.String(20))
+    pass