force () in complex bool expressions: (a && b) || c instead of a && b || c

compiler/scanner.v

@@ -282,7 +282,7 @@ fn (s mut Scanner) scan() ScanRes {
 		return scan_res(.name, name)
 	}
 	// `123`, `.123`
-	else if c.is_digit() || c == `.` && nextc.is_digit() {
+	else if c.is_digit() || (c == `.` && nextc.is_digit()) {
 		num := s.ident_number()
 		return scan_res(.number, num)
 	}