Fix analyzer findings

iOS/AboutController.m

@@ -46,7 +46,7 @@ static NSString *aboutHTMLTemplate =
     @" scrypt-pwgen {version}"
     @"</div>"
     @"<div id='copyright'>"
-    @" Copyright © 2016, Jonathan Schleifer"
+    @" Copyright © 2016 - 2017, Jonathan Schleifer"
     @"</div>"
     @"<p name='free_software'>"
     @" scrypt-pwgen is free software and the source code is available at "
@@ -62,6 +62,8 @@ static NSString *aboutHTMLTemplate =
 @implementation AboutController
 - (void)viewDidLoad
 {
+	[super viewDidLoad];
+
 	self.automaticallyAdjustsScrollViewInsets = NO;
 
 	NSDictionary *infoDictionary = [[NSBundle mainBundle] infoDictionary];

iOS/AppDelegate.m

@@ -23,4 +23,10 @@
 #import "AppDelegate.h"
 
 @implementation AppDelegate
+- (void)dealloc
+{
+	[_window release];
+
+	[super dealloc];
+}
 @end

iOS/MainViewController.m

@@ -30,15 +30,18 @@
 @implementation MainViewController
 - (void)viewDidLoad
 {
+	[super viewDidLoad];
+
 	_siteStorage = [[SiteStorage alloc] init];
 	[self reset];
 }
 
 - (void)dealloc
 {
-	[_siteStorage release];
-	[_tableView release];
 	[_sites release];
+	[_siteStorage release];
+	[_searchBar release];
+	[_tableView release];
 
 	[super dealloc];
 }

iOS/ShowDetailsController.m

@@ -58,15 +58,20 @@ clearNSMutableString(NSMutableString *string)
 	[_lengthField release];
 	[_legacySwitch release];
 	[_passphraseField release];
+	[_mainViewController release];
 
 	[super dealloc];
 }
 
 - (void)viewWillAppear: (BOOL)animated
 {
-	SiteStorage *siteStorage = self.mainViewController.siteStorage;
-	NSIndexPath *indexPath =
-	    self.mainViewController.tableView.indexPathForSelectedRow;
+	SiteStorage *siteStorage;
+	NSIndexPath *indexPath;
+
+	[super viewWillAppear: animated];
+
+	siteStorage = self.mainViewController.siteStorage;
+	indexPath = self.mainViewController.tableView.indexPathForSelectedRow;
 
 	[_name release];
 	_name = [self.mainViewController.sites[indexPath.row] retain];
@@ -83,6 +88,8 @@ clearNSMutableString(NSMutableString *string)
 
 - (void)viewDidAppear: (BOOL)animated
 {
+	[super viewDidAppear: animated];
+
 	[self.passphraseField becomeFirstResponder];
 }