Fix typo: Exectuable -> Executable

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119433 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Object/ObjectFile.cpp b/lib/Object/ObjectFile.cpp
index c2ab4a5..0ef730b 100644
--- a/lib/Object/ObjectFile.cpp
+++ b/lib/Object/ObjectFile.cpp
@@ -48,7 +48,7 @@
     case sys::Mach_O_Executable_FileType:
     case sys::Mach_O_FixedVirtualMemorySharedLib_FileType:
     case sys::Mach_O_Core_FileType:
-    case sys::Mach_O_PreloadExectuable_FileType:
+    case sys::Mach_O_PreloadExecutable_FileType:
     case sys::Mach_O_DynamicallyLinkedSharedLib_FileType:
     case sys::Mach_O_DynamicLinker_FileType:
     case sys::Mach_O_Bundle_FileType: