configure: Don't quote IO backend type(s)

It's not needed and inconsistent compared to the other settings.

Reported by "allerbest" (Götz Hoffart) on #ngircd, thanks!

diff --git a/configure.ng b/configure.ng
index 49fc75a969870bf54971fccc76dfc53defbdb431..7e8522515192677b67275a2b0d1e8b8bc5b64e83 100644 (file)
--- a/configure.ng
+++ b/configure.ng
@@ -702,7 +702,7 @@ test "$x_ipv6_on" = "yes" \
        && echo $ECHO_N "yes   $ECHO_C" \
        || echo $ECHO_N "no    $ECHO_C"
 echo $ECHO_N "        I/O backend: $ECHO_C"
-       echo "\"$x_io_backend\""
+       echo "$x_io_backend"
 
 echo $ECHO_N "        PAM support: $ECHO_C"
 test "$x_pam_on" = "yes" \