Update pod version for 5.1.2

Change-Id: I509fc0a1993faf3f24a929ea74f23f0fd240e771

Author: morganchen12

FirebaseAuthUI/FUIAuth.m

@@ -26,7 +26,6 @@
 #import "FUIAuthErrors.h"
 #import "FUIAuthPickerViewController.h"
 #import "FUIAuthStrings.h"
-#import "FUIGoogleAuth.h"
 #import "FUIEmailEntryViewController.h"
 #import "FUIPasswordSignInViewController_Internal.h"
 #import "FUIPasswordVerificationViewController.h"

FirebaseDatabaseUI/FUIArray.m

@@ -161,7 +161,7 @@ - (void)invalidate {
 
   // Remove all values on invalidation.
   [self didUpdate];
-  for (NSInteger i = 0; i < self.snapshots.count; /* no i++ since we modify the array instead*/ ) {
+  for (NSInteger i = 0; i < self.snapshots.count; /* no i++ since we modify the array instead */ ) {
     FIRDataSnapshot *current = self.snapshots[i];
 
     [self.snapshots removeObjectAtIndex:i];

FirebaseUI.podspec

@@ -1,10 +1,10 @@
 Pod::Spec.new do |s|
   s.name         = 'FirebaseUI'
-  s.version      = '5.0.1'
+  s.version      = '5.1.2'
   s.summary      = 'UI binding libraries for Firebase.'
   s.homepage     = 'https://github.com/firebase/FirebaseUI-iOS'
   s.license      = { :type => 'Apache 2.0', :file => 'LICENSE' }
-  s.source       = { :git => 'https://github.com/firebase/FirebaseUI-iOS.git', :tag => 'v5.0.1' }
+  s.source       = { :git => 'https://github.com/firebase/FirebaseUI-iOS.git', :tag => 'v5.1.2' }
   s.author       = 'Firebase'
   s.platform = :ios
   s.ios.deployment_target = '9.0'