Remove duplicate const specifiers from the declaration of mandoc_escape().

Found by Thomas Klausner <wiz at NetBSD dot org> using clang.
No functional change.

1 files changed, 1 insertions, 1 deletions

diff --git a/mandoc.c b/mandoc.c
index 579b4720..d2da1e94 100644
--- a/mandoc.c
+++ b/mandoc.c
@@ -40,7 +40,7 @@ static	char	*time2a(time_t);
 
 
 enum mandoc_esc
-mandoc_escape(const char const **end, const char const **start, int *sz)
+mandoc_escape(const char **end, const char **start, int *sz)
 {
 	const char	*local_start;
 	int		 local_sz;