add explicit casts to fix compilation on Linux

Change-Id: I3b87e156ab35e14e3c6e3800ee2058b1a6be57d6
Reviewed-on: https://code.wireshark.org/review/577
Reviewed-by: Martin Kaiser <wireshark@kaiser.cx>

1 files changed, 1 insertions, 1 deletions

diff --git a/epan/wslua/lrexlib.c b/epan/wslua/lrexlib.c
index 21038fa1e3..4322bb2b25 100644
--- a/epan/wslua/lrexlib.c
+++ b/epan/wslua/lrexlib.c
@@ -126,7 +126,7 @@ void freelist_free (TFreeList *fl) {
 enum { ID_NUMBER, ID_STRING };
 
 void buffer_init (TBuffer *buf, size_t sz, lua_State *L, TFreeList *fl) {
-  buf->arr = Lmalloc(L, sz);
+  buf->arr = (char *)Lmalloc(L, sz);
   if (!buf->arr) {
     freelist_free (fl);
     luaL_error (L, "malloc failed");