write_http: fix warning in new kairos support

Found by LLVM:

comparison of integers of different signs: 'int' and 'const size_t' (aka 'const unsigned long')

diff --git a/src/utils_format_kairosdb.c b/src/utils_format_kairosdb.c
index 281ce52..6258c49 100644 (file)
--- a/src/utils_format_kairosdb.c
+++ b/src/utils_format_kairosdb.c
@@ -99,7 +99,7 @@ static int kairosdb_escape_string (char *buffer, size_t buffer_size, /* {{{ */
 
 static int values_to_kairosdb (char *buffer, size_t buffer_size, /* {{{ */
                 const data_set_t *ds, const value_list_t *vl, int store_rates,
-                int ds_idx)
+                size_t ds_idx)
 {
   size_t offset = 0;
   gauge_t *rates = NULL;
@@ -222,7 +222,7 @@ static int value_list_to_kairosdb (char *buffer, size_t buffer_size, /* {{{ */
   char temp[512];
   size_t offset = 0;
   int status;
-  int i=0;
+  size_t i;
 
   memset (buffer, 0, buffer_size);