Remove orphaned TableDef *.sql files

Include *.sql in the list of extensions related to TableDef objects. Fixes #536

Version Control.accda.src/modules/clsDbTableDef.cls

@@ -802,6 +802,7 @@ Private Property Get IDbComponent_FileExtensions() As Collection
     Set IDbComponent_FileExtensions = New Collection
     IDbComponent_FileExtensions.Add "xml"
     IDbComponent_FileExtensions.Add "json"
+    IDbComponent_FileExtensions.Add "sql"
 End Property