fix bug #4023, 'Fix some small issues'

[claws.git] / src / procmsg.c

diff --git a/src/procmsg.c b/src/procmsg.c
index 3e989dd95ad2e1a13c7985cd47dbb6644c60c0c8..e484700bcdfe24d9b663f0942e5b94736f63dfab 100644 (file)
--- a/src/procmsg.c
+++ b/src/procmsg.c
@@ -23,6 +23,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <ctype.h>
+#include <math.h>
 
 #include "main.h"
 #include "utils.h"
@@ -182,7 +183,7 @@ static GNode *subject_hashtable_lookup(GHashTable *hashtable, MsgInfo *msginfo)
 
                /* parent node must not be more then thread_by_subject_max_age
                   days older then msginfo */
-               if (abs(difftime(msginfo->date_t, hashtable_msginfo->date_t)) >
+               if (fabs(difftime(msginfo->date_t, hashtable_msginfo->date_t)) >
                     prefs_common.thread_by_subject_max_age * 3600 * 24)
                        match = FALSE;