Fix example on the f302

Author: Jonas Schievink

examples/dac_sine.rs

@@ -49,9 +49,13 @@ fn main() -> ! {
         .pa15
         .into_push_pull_output(&mut gpioa.moder, &mut gpioa.otyper);
 
-    // set up dac1, data is twelve bits, alighned right
+    // set up dac1, data is twelve bits, aligned right
+    #[cfg(not(feature = "svd-f302"))]
     let mut dac1 = Dac::new(dp.DAC1, &mut rcc.apb1);
 
+    #[cfg(feature = "svd-f302")]
+    let mut dac1 = Dac::new(dp.DAC, &mut rcc.apb1);
+
     let mut led = true;
 
     loop {

src/dac.rs

@@ -4,7 +4,7 @@
 
 use crate::rcc::{Enable, Reset, APB1};
 
-#[cfg(any(feature = "svd-f302",))]
+#[cfg(feature = "svd-f302")]
 use crate::pac::DAC;
 
 #[cfg(any(