sh: Send libedit "ferr" output to fd 2

The libedit "fout" output must be sent to fd 2 since it contains prompts
that POSIX says must be sent to fd 2. However, the libedit "ferr" output
receives error messages such as from "bind" that make no sense to send to fd
1.

1 files changed, 3 insertions, 5 deletions

diff --git a/bin/sh/histedit.c b/bin/sh/histedit.c
index 8e2f927cfe06..62f5a89a05e1 100644
--- a/bin/sh/histedit.c
+++ b/bin/sh/histedit.c
@@ -67,7 +67,7 @@ __FBSDID("$FreeBSD$");
 History *hist;	/* history cookie */
 EditLine *el;	/* editline cookie */
 int displayhist;
-static FILE *el_in, *el_out, *el_err;
+static FILE *el_in, *el_out;
 
 static char *fc_replace(const char *, char *, char *);
 static int not_fcnumber(const char *);
@@ -106,18 +106,16 @@ histedit(void)
 			INTOFF;
 			if (el_in == NULL)
 				el_in = fdopen(0, "r");
-			if (el_err == NULL)
-				el_err = fdopen(1, "w");
 			if (el_out == NULL)
 				el_out = fdopen(2, "w");
-			if (el_in == NULL || el_err == NULL || el_out == NULL)
+			if (el_in == NULL || el_out == NULL)
 				goto bad;
 			term = lookupvar("TERM");
 			if (term)
 				setenv("TERM", term, 1);
 			else
 				unsetenv("TERM");
-			el = el_init(arg0, el_in, el_out, el_err);
+			el = el_init(arg0, el_in, el_out, el_out);
 			if (el != NULL) {
 				if (hist)
 					el_set(el, EL_HIST, history, hist);