can't build the drone book 'full speed' example for stm32f303

[EzekielDaun]

Hi, when trying to build this, it says:

error[E0599]: no method named set_pllsrc found for mutable reference &mut drone_stm32_map::reg::rcc::cfgr::Hold<'_, drone_core::reg::prelude::Srt> in the current scope
--> src/tasks/root.rs:77:11
|
77 | r.set_pllsrc() // HSE oscillator clock selected as PLL input clock
| ^^^^^^^^^^ help: there is an associated function with a similar name: set_i2ssrc

Sorry, I'm new to drone and I'm not sure if it's an issue with this repo or the book repo.