call dcs_match_init in main to check library version

src/dcs.c

@@ -40,6 +40,8 @@ main (void) {
 	int e, t;
 	size_t linesz;
 
+	dcs_match_init();
+
 	while (getline(&line, &linesz, stdin) != -1) {
 		char *p = line;
 		for ( ; *p; ++p) *p = tolower(*p);

src/dcs_test.c

@@ -45,6 +45,8 @@ static void fixup_out (FILE *f_remove, FILE *f_reorder, const int i, const int r
 	    
 int
 main (int argc, char *argv[]) {
+	dcs_match_init();
+
 	if (argc > 3) {
 		fprintf(stderr, "Too many arguments");
 		return (-1);