Improved formatting of generated table sql

- Removed empty line before first column
- The follow up lines of fkey's are indented
- The closing parentheses is now on a new line

pglablib/catalog/PgClass.cpp

@@ -118,7 +118,6 @@ QString PgClass::createTableSql() const
 	for (auto && col : cols) {
 		if (col.num > 0 && !col.isdropped) {
 			if (first) {
-				sql += "\n    ";
 				first = false;
 			}
 			else sql += ",\n    ";
@@ -136,10 +135,10 @@ QString PgClass::createTableSql() const
 			first = false;
 		}
 		else sql += ",\n    ";
-		sql += getConstraintDefinition(catalog(), constraint);
+		sql += getConstraintDefinition(catalog(), constraint, "      ");
 	}
 
-	sql += ")";
+	sql += "\n)";
 	{
 		//			[ INHERITS ( parent_table [, ... ] ) ]
 		auto parents = catalog().inherits()->getParentsOf(oid());