dns: stop renaming DNSTransaction to RSDNSTransaction

Not needed anymore as there is no DNSTransaction in the C src to
conflict.

rust/cbindgen.toml

@@ -138,7 +138,6 @@ item_types = ["enums","structs","opaque","functions","constants"]
 # [export]
 # prefix = "capi_"
 [export.rename]
-"DNSTransaction" = "RSDNSTransaction"
 "JsonT" = "json_t"
 "CLuaState" = "lua_State"
 

rust/src/dns/dns.rs

@@ -1147,8 +1147,6 @@ pub unsafe extern "C" fn SCDnsTxGetAdditionalRdata(
 }
 
 /// Get the DNS response flags for a transaction.
-///
-/// extern uint16_t SCDnsTxGetResponseFlags(RSDNSTransaction *);
 #[no_mangle]
 pub extern "C" fn SCDnsTxGetResponseFlags(tx: &mut DNSTransaction) -> u16 {
     return tx.rcode();

src/util-lua-dns.c

@@ -32,7 +32,7 @@
 static const char dns_tx[] = "suricata:dns:tx";
 
 struct LuaTx {
-    RSDNSTransaction *tx;
+    DNSTransaction *tx;
 };
 
 static int LuaDnsGetTx(lua_State *L)
@@ -40,7 +40,7 @@ static int LuaDnsGetTx(lua_State *L)
     if (!(LuaStateNeedProto(L, ALPROTO_DNS))) {
         return LuaCallbackError(L, "error: protocol not dns");
     }
-    RSDNSTransaction *tx = LuaStateGetTX(L);
+    DNSTransaction *tx = LuaStateGetTX(L);
     if (tx == NULL) {
         return LuaCallbackError(L, "error: no tx available");
     }