Resolve many build warnings

This patch fixes many warnings from the beginning of the build up to
and including the depend stage. Nearly all warnings should be gone
even with -Wall.

cde/lib/csa/Imakefile

@@ -53,7 +53,7 @@ SRCS =	agent.c		agent_xdr.c	api.c \
 	entry.c		free.c		hash.c \
 	iso8601.c	laccess.c	lutil.c \
 	match.c		nametbl.c	refree.c \
-	reparser.y	rescan.c	rpccalls.c \
+	reparser.c	rescan.c	rpccalls.c \
 	rtable2_clnt.c	rtable2_xdr.c	rtable3_clnt.c \
 	rtable3_xdr.c	rtable4_clnt.c	rtable4_xdr.c \
 	table.c		updateattrs.c	xtclient.c \