Xcode 8 fixes

ios/RNNSwizzles.m

 @import ObjectiveC;
 @import UIKit;
 
-static id (*__SWZ_initWithEventDispatcher_orig)(id self, SEL _cmd, id eventDispatcher);
-
 @implementation RNNSwizzles
 
+#if __IPHONE_OS_VERSION_MAX_ALLOWED > __IPHONE_10_3
+static id (*__SWZ_initWithEventDispatcher_orig)(id self, SEL _cmd, id eventDispatcher);
+
 - (id)__swz_initWithEventDispatcher:(id)eventDispatcher
 {
 	id returnValue = __SWZ_initWithEventDispatcher_orig(self, _cmd, eventDispatcher);
-
-	#if __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_11_0	
+	
 	if (@available(iOS 11.0, *)) {
 		[(UIScrollView*)[returnValue valueForKey:@"scrollView"] setContentInsetAdjustmentBehavior:UIScrollViewContentInsetAdjustmentAutomatic];
 	}
-	#endif
 	
 	return returnValue;
 }
+#endif
 
 + (void)applySwizzles
 {
-#if __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_11_0
+#if __IPHONE_OS_VERSION_MAX_ALLOWED > __IPHONE_10_3
 	Class cls = NSClassFromString(@"RCTScrollView");
 	if(cls == NULL)
 	{
 	__SWZ_initWithEventDispatcher_orig = (void*)method_getImplementation(m1);
 	Method m2 = class_getInstanceMethod([RNNSwizzles class], NSSelectorFromString(@"__swz_initWithEventDispatcher:"));
 	method_exchangeImplementations(m1, m2);
-}
 #endif
+}
 
 @end
+