Merge pull request 'Add dependencies and fixed whitespace' (#2) from remoof/rdo:patch into main

Reviewed-on: https://codeberg.org/sw1tchbl4d3/rdo/pulls/2

README.md

@@ -30,3 +30,6 @@ sudo make uninstall
 ```sh
 rdo [command]
 ```
+
+### Dependencies
+- `libbsd`

rdo.c

@@ -38,7 +38,7 @@ void runprog(int argc, char** argv) {
 	if (setgid(0) == -1)
 		err(1, "Could not setgid");
 
-	if (execvp(argv[0], argv) != 0) 
+	if (execvp(argv[0], argv) != 0)
 		perror(argv[0]);
 }
 
@@ -51,7 +51,7 @@ int main(int argc, char** argv) {
 		errx(1, "Please specify a program to run");
 
 	FILE* fp = fopen("/etc/rdo.conf", "r");
-	
+
 	if (!fp)
 		err(1, "Could not open /etc/rdo.conf");
 
@@ -61,7 +61,7 @@ int main(int argc, char** argv) {
 		runprog(argc, argv);
 		return 0;
 	}
-	
+
 	getconf(fp, "username", username, sizeof(username));
 	getconf(fp, "wrong_pw_sleep", wrong_pw_sleep, sizeof(wrong_pw_sleep));
 	sleep_ms = atoi(wrong_pw_sleep) * 1000;
@@ -89,7 +89,7 @@ int main(int argc, char** argv) {
 			runprog(argc, argv);
 			return 0;
 		}
-		
+
 		usleep(sleep_ms);
 		fprintf(stderr, "Wrong password.\n");
 		tries++;