更新afnetworking版本 review by days

 platform :ios, '8.0'
 inhibit_all_warnings!
 
-pod 'YH_AFNetworking3', :git => 'http://git.yoho.cn/ios/YH_AFNetworking3.git', :tag => '3.1.0_content-type'
+pod 'YH_AFNetworking3', :git => 'http://git.yoho.cn/ios/YH_AFNetworking3.git', :tag => '3.1.0_gzip'
 
 target 'YH_Analytics' do
 

@@ -8,21 +8,21 @@ PODS:
   - YH_AFNetworking3/Util (3.1.0)
 
 DEPENDENCIES:
-  - YH_AFNetworking3 (from `http://git.yoho.cn/ios/YH_AFNetworking3.git`, tag `3.1.0_content-type`)
+  - YH_AFNetworking3 (from `http://git.yoho.cn/ios/YH_AFNetworking3.git`, tag `3.1.0_gzip`)
 
 EXTERNAL SOURCES:
   YH_AFNetworking3:
     :git: http://git.yoho.cn/ios/YH_AFNetworking3.git
-    :tag: 3.1.0_content-type
+    :tag: 3.1.0_gzip
 
 CHECKOUT OPTIONS:
   YH_AFNetworking3:
     :git: http://git.yoho.cn/ios/YH_AFNetworking3.git
-    :tag: 3.1.0_content-type
+    :tag: 3.1.0_gzip
 
 SPEC CHECKSUMS:
   YH_AFNetworking3: 7e9978565d400fc9c237b4467ef1ab686e10d00d
 
-PODFILE CHECKSUM: 9ec05c0d620766cede6584e64ee103ab40a4963e
+PODFILE CHECKSUM: 0a63f05efec85c9bc335734d580e8447d9df6a28
 
 COCOAPODS: 1.2.0

@@ -47,7 +47,7 @@
 - (IBAction)handleCrashButtonClick:(id)sender {
 
     NSArray * arr = @[@"11"];
-    NSString * string = [arr objectAtIndex: 2];
+    [arr objectAtIndex: 2];
 }
 
 - (IBAction)handleSegmentClick:(id)sender {