collectctl: compare pointer with NULL not 0

Found with coccinelle

diff --git a/src/collectdctl.c b/src/collectdctl.c
index 7d3cbce..ee11c45 100644 (file)
--- a/src/collectdctl.c
+++ b/src/collectdctl.c
@@ -483,7 +483,7 @@ static int putval (lcc_connection_t *c, int argc, char **argv)
 
       values_len = 0;
       value = tmp;
-      while (value != 0) {
+      while (value != NULL) {
         char *dot, *endptr;
 
         tmp = strchr (value, (int)':');