more info in grabvidseq -v -h

v4l2/grabvidseq.c

@@ -68,6 +68,7 @@ void help(int v)
 {
 if (verbosity) {
 	printf("compiled %s at %s\n", __DATE__, __TIME__);
+	fimg_print_version(1);
 	}
 puts("options :");
 puts("\t-d /dev/?\tselect video device");