jim.c: Fix Object leak in zlib support

Change Jim_SetResultFormatted() to increment/decrement the ref count
of any %#s parameters. This allows zero refcount objects to be passed in
and be freed automatically.

Reported-by: Evan Hunter <evan@ozhiker.com>
Signed-off-by: Steve Bennett <steveb@workware.net.au>

1 files changed, 1 insertions, 2 deletions

diff --git a/jim-zlib.c b/jim-zlib.c
index 4bf88a4..cbbc291 100644
--- a/jim-zlib.c
+++ b/jim-zlib.c
@@ -44,8 +44,7 @@
 static int JimZlibCheckBufSize(Jim_Interp *interp, jim_wide bufsiz)
 {
     if ((bufsiz <= 0) || (bufsiz > INT_MAX)) {
-        Jim_SetResultString(interp, "buffer size must be 0 to ", -1);
-        Jim_AppendObj(interp, Jim_GetResult(interp), Jim_NewIntObj(interp, INT_MAX));
+        Jim_SetResultFormatted(interp, "buffer size must be 0 to %#s", Jim_NewIntObj(interp, INT_MAX));
         return JIM_ERR;
     }
     return JIM_OK;