[t:2517] Minor fix to allow build after windows port

git-svn-id: file:///svn/toku/tokudb@19293 c7de825b-a66e-492c-adef-691d508d4ae1

db-benchmark-test/scanscan.c

@@ -71,7 +71,7 @@ static double gettime (void) {
     return tv.tv_sec + 1e-6*tv.tv_usec;
 }
 
-static void parse_args (int argc, const char *const argv[]) {
+static void parse_args (int argc, char *const argv[]) {
     pname=argv[0];
     argc--; argv++;
     int specified_run_mode=0;