C99 `inline` is not guaranteed to emit an external definition
https://www.greenend.org.uk/rjk/tech/inline.html
Bug: https://bugs.gentoo.org/922958

--- a/utils/exportd/exportd.c
+++ b/utils/exportd/exportd.c
@@ -53,7 +53,7 @@
  */
 inline static void set_signals(void);
 
-inline void
+inline static void
 cleanup_lockfiles (void)
 {
 	unlink(etab.lockfn);
--- a/utils/mountd/mountd.c
+++ b/utils/mountd/mountd.c
@@ -111,7 +111,7 @@
 	nfs_svc_unregister(MOUNTPROG, MOUNTVERS_NFSV3);
 }
 
-static void
+inline static void
 cleanup_lockfiles (void)
 {
 	unlink(etab.lockfn);