fix spacing

src/read_file.c

@@ -171,9 +171,9 @@ int read_file(char *filename, point_t **points, unsigned int *n) {
 	float coord;
 	int i;
 	int j = 0;
-    struct stat statbuff;
+	struct stat statbuff;
 
-    lstat(filename, &statbuff);
+	lstat(filename, &statbuff);
 	if (access(filename, F_OK) || !S_ISREG(statbuff.st_mode)) {
 		fprintf(stderr, "Error: El archivo \"%s\" no existe!\n", filename);
 		return 1;
@@ -183,11 +183,11 @@ int read_file(char *filename, point_t **points, unsigned int *n) {
 		return 2;
 	}
 
-    file = fopen(filename, "r");
-    if (file == NULL) {
-        perror("fopen");
-        return 4;
-    }
+	file = fopen(filename, "r");
+	if (file == NULL) {
+		perror("fopen");
+		return 4;
+	}
 
 	while ((chars = getline(&buffer, &size, file)) != -1) {
 		if (*n == 0) {