[librsvg: 4/14] utf8_cstr(): Don't do UTF-8 validation (!) Libxml2 does it for us.

[Federico Mena Quintero <federico src gnome org>]

commit 242d271f8f246868a2dad4362a2ad2da55087609
Author: Federico Mena Quintero <federico gnome org>
Date:   Wed Jan 24 12:42:31 2018 -0600

    utf8_cstr(): Don't do UTF-8 validation (!)  Libxml2 does it for us.

 rust/src/util.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/rust/src/util.rs b/rust/src/util.rs
index 9f33f67..f0b62aa 100644
--- a/rust/src/util.rs
+++ b/rust/src/util.rs
@@ -1,6 +1,7 @@
 use libc;
 
 use std::ffi::CStr;
+use std::str;
 
 // In paint servers (patterns, gradients, etc.), we have an
 // Option<String> for fallback names.  This is a utility function to
@@ -28,5 +29,5 @@ pub fn double_equals (a: f64, b: f64) -> bool {
 pub unsafe fn utf8_cstr<'a>(s: *const libc::c_char) -> &'a str {
     assert!(!s.is_null());
 
-    CStr::from_ptr(s).to_str().unwrap()
+    str::from_utf8_unchecked(CStr::from_ptr(s).to_bytes())
 }