pwcache: Do not declare uidtb and gidtb when not used

When the system provides implementations for user_from_uid() or
group_from_gid() we are not using these variables, so better not declare
them.

Fixes: commit 21d12b02112097f0c195dceb1892c95b7b957b36

diff --git a/src/pwcache.c b/src/pwcache.c
index 99609d9b301111262e65eb723c493098336afd55..8ed855ccc67593cb9cf436820af5fde24781e994 100644 (file)
--- a/src/pwcache.c
+++ b/src/pwcache.c
@@ -83,8 +83,12 @@ typedef struct gidc {
  * cache both hits and misses.
  */
 
+#ifndef HAVE_USER_FROM_UID
 static UIDC **uidtb;   /* uid to name cache */
+#endif
+#ifndef HAVE_GROUP_FROM_GID
 static GIDC **gidtb;   /* gid to name cache */
+#endif
 static UIDC **usrtb;   /* user name to uid cache */
 static GIDC **grptb;   /* group name to gid cache */