[PATCH] contrib: Avoid use of "echo -n" in git customization [PR102664]

[Richard Earnshaw via Gcc-patches]

The -n option to echo is non-portable.  The generally recommended
alternative is to use the shell printf command.

contrib/ChangeLog:

        PR other/102664
        * gcc-git-customization.sh (ask): Use printf instead of echo -n.
diff --git a/contrib/gcc-git-customization.sh b/contrib/gcc-git-customization.sh
index b24948d9874..cf46c494a6a 100755
--- a/contrib/gcc-git-customization.sh
+++ b/contrib/gcc-git-customization.sh
@@ -7,7 +7,7 @@ ask () {
     question=$1
     default=$2
     var=$3
-    echo -n $question "["$default"]? "
+    printf "%s" "$question [$default]? "
     read answer
     if [ "x$answer" = "x" ]
     then