Restore compatibility with oniguruma 6.9.6

Signed-off-by: Michel Alexandre Salim <salimma@fedoraproject.org>

onig-696-compat.diff

@@ -0,0 +1,43 @@
+--- a/src/flags.rs
++++ b/src/flags.rs
+@@ -69,9 +69,6 @@ bitflags! {
+         /// `?`
+         const SYNTAX_OPERATOR_QMARK_ZERO_ONE
+             = (onig_sys::ONIG_SYN_OP_QMARK_ZERO_ONE as u64);
+-    /// ?P
+-    const SYNTAX_OPERATOR_QMARK_CAPITAL_P_NAME
+-        = (onig_sys::ONIG_SYN_OP2_QMARK_CAPITAL_P_NAME as u64);
+         /// `{lower,upper}`
+         const SYNTAX_OPERATOR_BRACE_INTERVAL
+             = (onig_sys::ONIG_SYN_OP_BRACE_INTERVAL as u64);
+--- a/src/syntax.rs
++++ b/src/syntax.rs
+@@ -33,10 +33,6 @@ pub struct Syntax {
+ }
+ 
+ impl Syntax {
+-    /// Python syntax
+-    pub fn python() -> &'static Syntax {
+-        unsafe { transmute(&onig_sys::OnigSyntaxPython) }
+-    }
+     /// Plain text syntax
+     pub fn asis() -> &'static Syntax {
+         unsafe { transmute(&onig_sys::OnigSyntaxASIS) }
+@@ -206,17 +202,3 @@ impl Syntax {
+         &self.raw as *const onig_sys::OnigSyntaxType as *mut onig_sys::OnigSyntaxType
+     }
+ }
+-
+-#[cfg(test)]
+-mod test {
+-    use super::*;
+-
+-    #[test]
+-    fn round_trip_bits() {
+-        let mut syn = Syntax::python().clone();
+-        syn.enable_operators(SyntaxOperator::SYNTAX_OPERATOR_ESC_X_BRACE_HEX8);
+-        assert_ne!(Syntax::python().raw, syn.raw);
+-        syn.disable_operators(SyntaxOperator::SYNTAX_OPERATOR_ESC_X_BRACE_HEX8);
+-        assert_eq!(Syntax::python().raw, syn.raw);
+-    }
+-}

rust-onig.spec

@@ -14,6 +14,8 @@ URL:            https://crates.io/crates/onig
 Source:         %{crates_source}
 # Automatically generated patch to strip foreign dependencies
 Patch:          onig-fix-metadata-auto.diff
+# Restore compatibility with oniguruma 6.9.6
+Patch:          onig-696-compat.diff
 
 ExclusiveArch:  %{rust_arches}