virt plugin: fix compiler warning

src/virt.c:725:7: warning: no previous prototype for function 'metadata_get_hostname' [-Wmissing-prototypes]
char *metadata_get_hostname(virDomainPtr dom) {
      ^
1 warning generated.

diff --git a/src/virt.c b/src/virt.c
index fd20c77..d44aeb7 100644 (file)
--- a/src/virt.c
+++ b/src/virt.c
@@ -722,7 +722,7 @@ static int get_block_info(struct lv_block_info *binfo,
       ERROR(PLUGIN_NAME " plugin: %s failed: %s", (s), err->message);          \
   } while (0)
 
-char *metadata_get_hostname(virDomainPtr dom) {
+static char *metadata_get_hostname(virDomainPtr dom) {
   const char *xpath_str = NULL;
   if (hm_xpath == NULL)
     xpath_str = "/instance/name/text()";