$NetBSD: patch-src_replace_c,v 1.1 2012/05/10 20:53:30 dholland Exp $

- silence initialization warning seen with gcc 4.1
- fix mixing of signed and unsigned char pointers
- const correctness required by existing const declarations

--- src/replace.c~	2012-05-10 19:25:36.000000000 +0000
+++ src/replace.c
@@ -55,6 +55,11 @@ int	n;					/* # of repetitions wanted */
 	int lastoff;		/* offset (for 'u' query option) */
 	int oldmatchlen;	/* Closure may alter the match length.*/
 
+	/* required by gcc 4.1 */
+	c = 0;
+	lastoff = 0;
+	oldmatchlen = 0;
+
 	/*
 	 * Don't allow this command if we are
 	 * in read only mode.
@@ -83,7 +88,7 @@ int	n;					/* # of repetitions wanted */
 	/* Set up flags so we can make sure not to do a recursive
 	 * replace on the last line.
 	 */
-	nlflag = (pat[strlen(pat) - 1] == '\r');
+	nlflag = (pat[strlen((char *)pat) - 1] == '\r');
 	nlrepl = FALSE;
 
 	/* Save original . position, reset the number of matches and
@@ -340,7 +345,7 @@ char	*instr;
 int	use_rmc;
 {
 	register int	status;
-	register char	*rstr;
+	register CONST char	*rstr;
 #if	MAGIC
 	register RMC	*rmcptr;
 #endif