Adjusted type map in MSSQL Querybuilder

MSSQL seems to support limits for decimal type, so we add a default
limit.

framework/yii/db/mssql/QueryBuilder.php

@@ -28,7 +28,7 @@ class QueryBuilder extends \yii\db\QueryBuilder
 		Schema::TYPE_INTEGER => 'int(11)',
 		Schema::TYPE_BIGINT => 'bigint(20)',
 		Schema::TYPE_FLOAT => 'float',
-		Schema::TYPE_DECIMAL => 'decimal',
+		Schema::TYPE_DECIMAL => 'decimal(10,0)',
 		Schema::TYPE_DATETIME => 'datetime',
 		Schema::TYPE_TIMESTAMP => 'timestamp',
 		Schema::TYPE_TIME => 'time',