getopt.rs(3): fixes formatting issues

src/libgetopt.rs

@@ -79,8 +79,8 @@ pub trait GetOpt {
 }
 
 impl GetOpt for Vec<String> {
-    fn getopt(&self, optstring: &str) -> Option<Opt> {
-        let c_strings: Vec<_> = self
+	fn getopt(&self, optstring: &str) -> Option<Opt> {
+		let c_strings: Vec<_> = self
 			.iter()
 			.cloned()
 			.map(|x| CString::new(x).unwrap().into_raw())
@@ -91,11 +91,11 @@ impl GetOpt for Vec<String> {
 		let argv = boxed as *const *mut c_char;
 
 		/* operations are separated out so that everything lives long enough */
-        let opts = CString::new(optstring).unwrap().into_raw();
-        let len = self.len() as c_int;
+		let opts = CString::new(optstring).unwrap().into_raw();
+		let len = self.len() as c_int;
 
-        unsafe {
-            let ret = match getopt(len, argv, opts) { 
+		unsafe {
+			let ret = match getopt(len, argv, opts) { 
 				/* From getopt(3p):
 				 *
 				 * The getopt() function shall return the next option character
@@ -141,8 +141,8 @@ impl GetOpt for Vec<String> {
 				 * argv[optind]   points to the string "--"
 				 *
 				 * getopt() shall return -1 after incrementing optind. */
-                -1 => return None,
-                opt => {
+				-1 => return None,
+				opt => {
 					let arg: Option<String>;
 
 					if optarg.is_null() { arg = None; }
@@ -162,13 +162,13 @@ impl GetOpt for Vec<String> {
 						opt: Ok((opt as u8 as char).to_string()),
 					})
 				},
-            };
+			};
 
 			/* delloc argv (something online said I should do this) */
 			let _ = Box::from_raw(boxed);
 			return ret;
-        }
-    }
+		}
+	}
 }
 
 /* tests (good) */