change local vars to unsigned int to fix warnings

diff --git a/libust/tracer.c b/libust/tracer.c
index b807a508b0cb6120c1baeaedf9620674c343bf85..d3978a45f6b94689bff8bf0c6021aba29d6cd6ae 100644 (file)
--- a/libust/tracer.c
+++ b/libust/tracer.c
@@ -665,7 +665,7 @@ int ltt_trace_alloc(const char *trace_name)
 {
        int err = 0;
        struct ltt_trace_struct *trace;
-       int subbuf_size, subbuf_cnt;
+       unsigned int subbuf_size, subbuf_cnt;
        unsigned long flags;
        int chan;
        const char *channel_name;