[librsvg/librsvg-2.46] angle: prefer explicit conversion

[Federico Mena Quintero <federico src gnome org>]

commit 1ae28d3061bab8ae3b52649439a00f1766629fb8
Author: Paolo Borelli <pborelli gnome org>
Date:   Sun Oct 13 12:47:52 2019 +0200

    angle: prefer explicit conversion

 rsvg_internals/src/angle.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/rsvg_internals/src/angle.rs b/rsvg_internals/src/angle.rs
index dc702bcc..4fc10d35 100644
--- a/rsvg_internals/src/angle.rs
+++ b/rsvg_internals/src/angle.rs
@@ -3,7 +3,7 @@ use std::f64::consts::*;
 use cssparser::{Parser, Token};
 
 use crate::error::ValueErrorKind;
-use crate::parsers::{Parse, ParseError, finite_f32};
+use crate::parsers::{finite_f32, Parse, ParseError};
 
 #[derive(Debug, Copy, Clone, PartialEq)]
 pub struct Angle(f64);
@@ -69,7 +69,10 @@ impl Parse for Angle {
                 .map_err(|_| ParseError::new("expected angle"))?;
 
             match *token {
-                Token::Number { value, .. } => Angle::from_degrees(finite_f32(value)? as f64),
+                Token::Number { value, .. } => {
+                    let degrees = finite_f32(value)?;
+                    Angle::from_degrees(f64::from(degrees))
+                }
 
                 Token::Dimension {
                     value, ref unit, ..