Finish revert and correct Xcode warnings

Author: NiklasMerz

src/ios/CDVWKInAppBrowser.m

@@ -314,20 +314,20 @@ - (void)show:(CDVInvokedUrlCommand*)command withNoAnimate:(BOOL)noAnimate
     dispatch_async(dispatch_get_main_queue(), ^{
         if (weakSelf.inAppBrowserViewController != nil) {
             float osVersion = [[[UIDevice currentDevice] systemVersion] floatValue];
-            if (!tmpWindow) {
+            if (!self->tmpWindow) {
                 CGRect frame = [[UIScreen mainScreen] bounds];
                 if(initHidden && osVersion < 11){
                    frame.origin.x = -10000;
                 }
-                tmpWindow = [[UIWindow alloc] initWithFrame:frame];
+                self->tmpWindow = [[UIWindow alloc] initWithFrame:frame];
             }
             UIViewController *tmpController = [[UIViewController alloc] init];
 
-            [tmpWindow setRootViewController:tmpController];
-            [tmpWindow setWindowLevel:UIWindowLevelNormal];
+            [self->tmpWindow setRootViewController:tmpController];
+            [self->tmpWindow setWindowLevel:UIWindowLevelNormal];
 
             if(!initHidden || osVersion < 11){
-            [tmpWindow makeKeyAndVisible];
+                [self->tmpWindow makeKeyAndVisible];
             }
             [tmpController presentViewController:nav animated:!noAnimate completion:nil];
         }
@@ -787,7 +787,7 @@ - (void)createViews
 
 #if __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000
    if (@available(iOS 11.0, *)) {
-	   [self.webView.scrollView setContentInsetAdjustmentBehavior:UIScrollViewContentInsetAdjustmentNever];
+       [self.webView.scrollView setContentInsetAdjustmentBehavior:UIScrollViewContentInsetAdjustmentNever];
    }
 #endif