collectd-nagios: Fix -Wsign-conversion warnings.

diff --git a/src/collectd-nagios.c b/src/collectd-nagios.c
index 2719093..3d6039c 100644 (file)
--- a/src/collectd-nagios.c
+++ b/src/collectd-nagios.c
@@ -104,7 +104,7 @@ static int consolitation_g = CON_NONE;
 static _Bool nan_is_error_g = 0;
 
 static char **match_ds_g = NULL;
-static int    match_ds_num_g = 0;
+static size_t match_ds_num_g = 0;
 
 /* `strdup' is an XSI extension. I don't want to pull in all of XSI just for
  * that, so here's an own implementation.. It's easy enough. The GCC attributes
@@ -148,7 +148,7 @@ static int filter_ds (size_t *values_num,
                return (RET_UNKNOWN);
        }
 
-       for (i = 0; i < (size_t) match_ds_num_g; i++)
+       for (i = 0; i < match_ds_num_g; i++)
        {
                size_t j;