fix logic issue

Author: Jay Jackson

src/events/attributes.rs

@@ -866,7 +866,7 @@ impl<'a> IterState<'a> {
             //                         ^
             Some((e, b'\'')) => self.single_q(key, start_value..e),
             Some((e, &q)) => {
-                if let Some((o, c)) = self.custom_quotes.iter().find(|(o, _)| *o == q) {
+                if let Some((o, c)) = self.custom_quotes.iter().find(|(_, c)| *c == q) {
                     self.custom_q(key, start_value..e, *o, *c)
                 } else {
                     // Input: `    key  =  x   x`