revert mode changes from commit d58d637ac
diff --git a/Xcode/SDLTest/SDLTest.xcodeproj/project.pbxproj b/Xcode/SDLTest/SDLTest.xcodeproj/project.pbxproj
old mode 100755
new mode 100644
diff --git a/build-scripts/config.guess b/build-scripts/config.guess
old mode 100644
new mode 100755