[gcc r10-6007] gcc-git-customization.sh: avoid double expansion

[Andreas Schwab]

https://gcc.gnu.org/g:7aa4e0db959d4cfb755ba397f9ace987895b58d7

commit r10-6007-g7aa4e0db959d4cfb755ba397f9ace987895b58d7
Author: Andreas Schwab <schwab@linux-m68k.org>
Date:   Thu Jan 16 15:26:31 2020 +0100

    gcc-git-customization.sh: avoid double expansion

Diff:
---
 contrib/gcc-git-customization.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/contrib/gcc-git-customization.sh b/contrib/gcc-git-customization.sh
index b7e4ce3..26f4389 100755
--- a/contrib/gcc-git-customization.sh
+++ b/contrib/gcc-git-customization.sh
@@ -11,9 +11,9 @@ ask () {
     read answer
     if [ "x$answer" = "x" ]
     then
-	eval $var=\"$default\"
+	eval $var=\$default
     else
-	eval $var=\"$answer\"
+	eval $var=\$answer
     fi
 }