[PATCH 4/5] Use proper comparisons while traversing the history list.

[Christopher Brannon]

The index and the length of the list both need to be stored in an
unsigned type.
Also, the comparison i <= length - 1 should be i < length, in case
length is 0.
---
 src/server/history.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/server/history.c b/src/server/history.c
index a8fc7e4..ba190e3 100644
--- a/src/server/history.c
+++ b/src/server/history.c
@@ -305,9 +305,10 @@ get_messages_by_client(int uid){
        GList *list = NULL;
        GList *gl;
        TSpeechDMessage* msg;
-       int i;
+       guint i;
+       guint history_length = g_list_length(message_history);
 
-       for (i=0;i<=g_list_length(message_history)-1;i++){
+       for (i = 0; i < history_length; i++) {
                gl = g_list_nth(message_history, i);
                assert(gl!=NULL);
                msg = gl->data;
-- 
1.7.1