Replace "echo -n" with printf in shell scripts.

Not all echos know -n.  This was causing a test failure in
t5401-update-hooks.sh, but not t3800-mktag.sh for some reason.
Signed-off-by: NJason Riedy <ejr@cs.berkeley.edu>
Signed-off-by: NJunio C Hamano <junkio@cox.net>

contrib/remotes2config.sh

@@ -11,7 +11,7 @@ if [ -d "$GIT_DIR"/remotes ]; then
 	{
 		cd "$GIT_DIR"/remotes
 		ls | while read f; do
-			name=$(echo -n "$f" | tr -c "A-Za-z0-9" ".")
+			name=$(printf "$f" | tr -c "A-Za-z0-9" ".")
 			sed -n \
 			-e "s/^URL: \(.*\)$/remote.$name.url \1 ./p" \
 			-e "s/^Pull: \(.*\)$/remote.$name.fetch \1 ^$ /p" \

git-quiltimport.sh

@@ -89,7 +89,7 @@ for patch_name in $(cat "$QUILT_PATCHES/series" | grep -v '^#'); do
 			echo "No author found in $patch_name" >&2;
 			echo "---"
 			cat $tmp_msg
-			echo -n "Author: ";
+			printf "Author: ";
 			read patch_author
 
 			echo "$patch_author"

git-reset.sh

@@ -87,7 +87,7 @@ update_ref_status=$?
 case "$reset_type" in
 --hard )
 	test $update_ref_status = 0 && {
-		echo -n "HEAD is now at "
+		printf "HEAD is now at "
 		GIT_PAGER= git log --max-count=1 --pretty=oneline \
 			--abbrev-commit HEAD
 	}

t/t3800-mktag.sh

@@ -88,7 +88,7 @@ check_verify_failure '"type" line label check'
 #  5. type line eol check
 
 echo "object 779e9b33986b1c2670fff52c5067603117b3e895" >tag.sig
-echo -n "type tagsssssssssssssssssssssssssssssss" >>tag.sig
+printf "type tagsssssssssssssssssssssssssssssss" >>tag.sig
 
 cat >expect.pat <<EOF
 ^error: char48: .*"[\]n"$

t/t5401-update-hooks.sh

@@ -23,7 +23,7 @@ test_expect_success setup '
 cat >victim/.git/hooks/update <<'EOF'
 #!/bin/sh
 echo "$@" >$GIT_DIR/update.args
-read x; echo -n "$x" >$GIT_DIR/update.stdin
+read x; printf "$x" >$GIT_DIR/update.stdin
 echo STDOUT update
 echo STDERR update >&2
 EOF
@@ -32,7 +32,7 @@ chmod u+x victim/.git/hooks/update
 cat >victim/.git/hooks/post-update <<'EOF'
 #!/bin/sh
 echo "$@" >$GIT_DIR/post-update.args
-read x; echo -n "$x" >$GIT_DIR/post-update.stdin
+read x; printf "$x" >$GIT_DIR/post-update.stdin
 echo STDOUT post-update
 echo STDERR post-update >&2
 EOF

t/t6023-merge-file.sh

@@ -52,7 +52,7 @@ super aquam refectionis educavit me;
 animam meam convertit,
 deduxit me super semitas jusitiae,
 EOF
-echo -n "propter nomen suum." >> new4.txt
+printf "propter nomen suum." >> new4.txt
 
 cp new1.txt test.txt
 test_expect_success "merge without conflict" \