[RFC PATCH 2/6] libutil: Staticize locally used functions

getrealpath and has_symlinkloop are only used locally in this
compilation unit. Make their definitions static to higlight this fact.
---
 libutil/find.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libutil/find.c b/libutil/find.c
index d3c921a..f366004 100644
--- a/libutil/find.c
+++ b/libutil/find.c
@@ -487,7 +487,7 @@ static int current_entry;			/**< current entry of the stack */
 /**
  * getrealpath: return a real path of dir using allocated area.
  */
-char *
+static char *
 getrealpath(const char *dir)
 {
 	char real[PATH_MAX];
@@ -502,7 +502,7 @@ getrealpath(const char *dir)
  *	@param[in]	dir	directory (should end by "/")
  *	@return		1: has a loop, 0: don't have a loop
  */
-int
+static int
 has_symlinkloop(const char *dir)
 {
 	struct stack_entry *sp;
-- 
2.11.0