tail_csv plugin: set pointer to NULL not 0

Found with coccinelle

diff --git a/src/tail_csv.c b/src/tail_csv.c
index 2d794fc..a768ef8 100644 (file)
--- a/src/tail_csv.c
+++ b/src/tail_csv.c
@@ -85,7 +85,7 @@ static int tcsv_submit (instance_definition_t *id,
 static cdtime_t parse_time (char const *tbuf)
 {
     double t;
-    char *endptr = 0;
+    char *endptr = NULL;
 
     errno = 0;
     t = strtod (tbuf, &endptr);