autogen.sh: Display arguments for configure without apostrophes

So one can easily c&p the list of arguments

Change-Id: I0555c58aa6aadc410a26309d6e51382eed390b2b

autogen.sh

@@ -265,7 +265,7 @@ if (defined $ENV{NOCONFIGURE}) {
     push @args, "--srcdir=$src_path";
     push @args, "--enable-option-checking=$option_checking";
 
-    print "Running ./configure with '" . join ("' '", @args), "'\n";
+    print "Running ./configure with '" . join (" ", @args), "'\n";
     system ("./configure", @args) && die "Error running configure";
 }