remove assignments that will be overwritten right afterwards,

and remove pointless local variables;
found in a clang output from Ulrich Spoerlein <uqs at FreeBSD>

1 files changed, 0 insertions, 1 deletions

diff --git a/mandocdb.c b/mandocdb.c
index 342539cc..80971027 100644
--- a/mandocdb.c
+++ b/mandocdb.c
@@ -1734,7 +1734,6 @@ utf8key(struct mchars *mc, struct str *key)
 		/* Read past the slash. */
 
 		val++;
-		u = 0;
 
 		/*
 		 * Parse the escape sequence and see if it's a