pod bug workaround

Author: longbai

.travis.yml

@@ -2,7 +2,7 @@ language: objective-c
 before_install:
 #  - brew update
 #  - brew upgrade xctool
-  - gem install cocoapods
+#  - gem install cocoapods
 before_script:
   - export QINIU_TEST_ENV="travis"
 script:

QiniuSDK.xcodeproj/project.pbxproj

@@ -91,7 +91,6 @@
 		DFF126EE1B63909A0005C39C /* QNFileDelegate.h in Headers */ = {isa = PBXBuildFile; fileRef = DFF126ED1B63909A0005C39C /* QNFileDelegate.h */; };
 		DFF126F11B639F3B0005C39C /* QNFile.h in Headers */ = {isa = PBXBuildFile; fileRef = DFF126EF1B639F3B0005C39C /* QNFile.h */; };
 		DFF126F21B639F3B0005C39C /* QNFile.m in Sources */ = {isa = PBXBuildFile; fileRef = DFF126F01B639F3B0005C39C /* QNFile.m */; };
-		DFF126F31B639F3B0005C39C /* QNFile.m in Sources */ = {isa = PBXBuildFile; fileRef = DFF126F01B639F3B0005C39C /* QNFile.m */; };
 		DFF126F61B63ABED0005C39C /* QNALAssetFile.h in Headers */ = {isa = PBXBuildFile; fileRef = DFF126F41B63ABED0005C39C /* QNALAssetFile.h */; };
 		DFF126F71B63ABED0005C39C /* QNALAssetFile.m in Sources */ = {isa = PBXBuildFile; fileRef = DFF126F51B63ABED0005C39C /* QNALAssetFile.m */; };
 		DFF525311A6235D100D02BA1 /* QNSessionManager.h in Headers */ = {isa = PBXBuildFile; fileRef = DFF5252F1A6235D100D02BA1 /* QNSessionManager.h */; };