Get Wireshark to compile with afl-gcc.

Fix errors found by American Fuzzy Lop's afl-gcc
(http://lcamtuf.coredump.cx/afl/):

peektagged.c:
error: 'fileVersion' may be used uninitialized in this function

packet-h223.c:
error: variable 'circuit_id' might be clobbered by 'longjmp' or 'vfork'

wslua_proto.c:
error: variable 'd' might be clobbered by 'longjmp' or 'vfork'

wslua_proto.c:
error: variable 'dt' might be clobbered by 'longjmp' or 'vfork'

Change-Id: Idd74a3ad7b236d3a8756c1e7e917b1c74143f381
Reviewed-on: https://code.wireshark.org/review/6767
Reviewed-by: Gerald Combs <gerald@wireshark.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/epan/wslua/wslua_proto.c b/epan/wslua/wslua_proto.c
index ef71da77a3..309c6d7ce7 100644
--- a/epan/wslua/wslua_proto.c
+++ b/epan/wslua/wslua_proto.c
@@ -2128,7 +2128,7 @@ WSLUA_METHOD Dissector_call(lua_State* L) {
 #define WSLUA_ARG_Dissector_call_PINFO 3 /* The packet info. */
 #define WSLUA_ARG_Dissector_call_TREE 4 /* The tree on which to add the protocol items. */
 
-    Dissector d = checkDissector(L,1);
+    Dissector volatile d = checkDissector(L,1);
     Tvb tvb = checkTvb(L,WSLUA_ARG_Dissector_call_TVB);
     Pinfo pinfo = checkPinfo(L,WSLUA_ARG_Dissector_call_PINFO);
     TreeItem ti = checkTreeItem(L,WSLUA_ARG_Dissector_call_TREE);
@@ -2539,7 +2539,7 @@ WSLUA_METHOD DissectorTable_try (lua_State *L) {
 #define WSLUA_ARG_DissectorTable_try_TVB 3 /* The buffer to dissect. */
 #define WSLUA_ARG_DissectorTable_try_PINFO 4 /* The packet info. */
 #define WSLUA_ARG_DissectorTable_try_TREE 5 /* The tree on which to add the protocol items. */
-    DissectorTable dt = checkDissectorTable(L,1);
+    DissectorTable volatile dt = checkDissectorTable(L,1);
     Tvb tvb = checkTvb(L,WSLUA_ARG_DissectorTable_try_TVB);
     Pinfo pinfo = checkPinfo(L,WSLUA_ARG_DissectorTable_try_PINFO);
     TreeItem ti = checkTreeItem(L,WSLUA_ARG_DissectorTable_try_TREE);