fix printf format possible vulnreability

probably puts or fwrite would be better code here if no printf formatting is needed

Signed-Off-By: Elan Ruusamäe <glen@delfi.ee>
--- php-5.4.7/sapi/litespeed/lsapi_main.c~	2012-10-05 22:18:46.000000000 +0300
+++ php-5.4.7/sapi/litespeed/lsapi_main.c	2012-10-06 13:18:16.356066962 +0300
@@ -603,7 +603,7 @@
         "  args...    Arguments passed to script.\n";
     php_output_startup();
     php_output_activate(TSRMLS_C);
-    php_printf( usage );
+    php_printf( "%s", usage );
 #ifdef PHP_OUTPUT_NEWAPI
     php_output_end_all(TSRMLS_C);
 #else