Reformat code

exercises/tree/main.c

@@ -1,15 +1,15 @@
+#include "tree.h"
 #include <stdio.h>
 #include <stdlib.h>
-#include "tree.h"
 
-int main(int argc, char *argv[]) {
-    const char *path = (argc > 1) ? argv[1] : ".";
+int main(int argc, char *argv[])
+{
+	const char *path = (argc > 1) ? argv[1] : ".";
 
-    if (print_tree(path, 0) == -1) {
-        perror("Error traversing directory");
-        return EXIT_FAILURE;
-    }
+	if (print_tree(path, 0) == -1) {
+		perror("Error traversing directory");
+		return EXIT_FAILURE;
+	}
 
-    return EXIT_SUCCESS;
+	return EXIT_SUCCESS;
 }
-