[librsvg] error.rs: Move an impl so all its related code is contiguous

[Federico Mena Quintero <federico src gnome org>]

commit 4d68feea649cc73aaf673329864aa8ed91d9c064
Author: Federico Mena Quintero <federico gnome org>
Date:   Mon Jan 13 18:36:58 2020 -0600

    error.rs: Move an impl so all its related code is contiguous

 rsvg_internals/src/error.rs | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)
---
diff --git a/rsvg_internals/src/error.rs b/rsvg_internals/src/error.rs
index aee3f3d9..9a7c93cc 100644
--- a/rsvg_internals/src/error.rs
+++ b/rsvg_internals/src/error.rs
@@ -55,6 +55,22 @@ impl fmt::Display for ValueErrorKind {
     }
 }
 
+impl<'a> From<BasicParseError<'a>> for ValueErrorKind {
+    fn from(e: BasicParseError<'_>) -> ValueErrorKind {
+        let BasicParseError { kind, location: _ } = e;
+
+        let msg = match kind {
+            BasicParseErrorKind::UnexpectedToken(_) => "unexpected token",
+            BasicParseErrorKind::EndOfInput => "unexpected end of input",
+            BasicParseErrorKind::AtRuleInvalid(_) => "invalid @-rule",
+            BasicParseErrorKind::AtRuleBodyInvalid => "invalid @-rule body",
+            BasicParseErrorKind::QualifiedRuleInvalid => "invalid qualified rule",
+        };
+
+        ValueErrorKind::parse_error(msg)
+    }
+}
+
 /// A complete error for an attribute and its erroneous value
 #[derive(Debug, Clone, PartialEq)]
 pub struct NodeError {
@@ -78,22 +94,6 @@ impl fmt::Display for NodeError {
     }
 }
 
-impl<'a> From<BasicParseError<'a>> for ValueErrorKind {
-    fn from(e: BasicParseError<'_>) -> ValueErrorKind {
-        let BasicParseError { kind, location: _ } = e;
-
-        let msg = match kind {
-            BasicParseErrorKind::UnexpectedToken(_) => "unexpected token",
-            BasicParseErrorKind::EndOfInput => "unexpected end of input",
-            BasicParseErrorKind::AtRuleInvalid(_) => "invalid @-rule",
-            BasicParseErrorKind::AtRuleBodyInvalid => "invalid @-rule body",
-            BasicParseErrorKind::QualifiedRuleInvalid => "invalid qualified rule",
-        };
-
-        ValueErrorKind::parse_error(msg)
-    }
-}
-
 #[derive(Debug, Clone, PartialEq)]
 pub enum DefsLookupErrorKind {
     HrefError(HrefError),