Warning fix/Future proofing

[Michael D. Adams]

The following change fixes a warning and future proofs the code against the possibility that "helpstring" includes a "%" in it in the future.

=== modified file 'src/scheme-script.c'
--- src/scheme-script.c 2008-10-18 21:49:20 +0000
+++ src/scheme-script.c 2008-12-19 15:40:39 +0000
@@ -37,7 +37,7 @@
   arguments ... as (command-line)\n\
   \n\
   Consult the Ikarus Scheme User's Guide for more details.\n\n";
- fprintf(stderr, helpstring);
+ fprintf(stderr, "%s", helpstring);
 }

 int main(int argc, char** argv){

[Abdulaziz Ghuloum (aghuloum)]

Fixed in 1722. Thanks.