erf-file: clean up decode thread local storage

Clean up the thread local data the decode portion of ERF users.

Bug #978

src/source-erf-file.c

@@ -68,6 +68,7 @@ void ReceiveErfFileThreadExitStats(ThreadVars *, void *);
 TmEcode ReceiveErfFileThreadDeinit(ThreadVars *, void *);
 
 TmEcode DecodeErfFileThreadInit(ThreadVars *, void *, void **);
+TmEcode DecodeErfFileThreadDeinit(ThreadVars *tv, void *data);
 TmEcode DecodeErfFile(ThreadVars *, Packet *, void *, PacketQueue *, PacketQueue *);
 
 /**
@@ -98,7 +99,7 @@ TmModuleDecodeErfFileRegister(void)
     tmm_modules[TMM_DECODEERFFILE].ThreadInit = DecodeErfFileThreadInit;
     tmm_modules[TMM_DECODEERFFILE].Func = DecodeErfFile;
     tmm_modules[TMM_DECODEERFFILE].ThreadExitPrintStats = NULL;
-    tmm_modules[TMM_DECODEERFFILE].ThreadDeinit = NULL;
+    tmm_modules[TMM_DECODEERFFILE].ThreadDeinit = DecodeErfFileThreadDeinit;
     tmm_modules[TMM_DECODEERFFILE].RegisterTests = NULL;
     tmm_modules[TMM_DECODEERFFILE].cap_flags = 0;
     tmm_modules[TMM_DECODEERFFILE].flags = TM_FLAG_DECODE_TM;
@@ -264,6 +265,13 @@ DecodeErfFileThreadInit(ThreadVars *tv, void *initdata, void **data)
     SCReturnInt(TM_ECODE_OK);
 }
 
+TmEcode DecodeErfFileThreadDeinit(ThreadVars *tv, void *data)
+{
+    if (data != NULL)
+        DecodeThreadVarsFree(data);
+    SCReturnInt(TM_ECODE_OK);
+}
+
 /**
  * \brief Decode the ERF file.
  *