fix permissions
diff --git a/Xcode-iOS/Demos/Demos.xcodeproj/project.pbxproj b/Xcode-iOS/Demos/Demos.xcodeproj/project.pbxproj
old mode 100755
new mode 100644
diff --git a/Xcode-iOS/SDL/SDL.xcodeproj/project.pbxproj b/Xcode-iOS/SDL/SDL.xcodeproj/project.pbxproj
old mode 100755
new mode 100644
diff --git a/Xcode-iOS/Test/TestiPhoneOS.xcodeproj/project.pbxproj b/Xcode-iOS/Test/TestiPhoneOS.xcodeproj/project.pbxproj
old mode 100755
new mode 100644
diff --git a/Xcode/SDL/SDL.xcodeproj/project.pbxproj b/Xcode/SDL/SDL.xcodeproj/project.pbxproj
old mode 100755
new mode 100644
diff --git a/Xcode/SDLTest/SDLTest.xcodeproj/project.pbxproj b/Xcode/SDLTest/SDLTest.xcodeproj/project.pbxproj
old mode 100755
new mode 100644