Fix typos found by http://github.com/lyda/misspell-check

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157885 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86VZeroUpper.cpp b/lib/Target/X86/X86VZeroUpper.cpp
index 65271db..e4f567f 100644
--- a/lib/Target/X86/X86VZeroUpper.cpp
+++ b/lib/Target/X86/X86VZeroUpper.cpp
@@ -205,7 +205,7 @@
   }
 
 
-  // The entry MBB for the function may set the inital state to dirty if
+  // The entry MBB for the function may set the initial state to dirty if
   // the function receives any YMM incoming arguments
   if (MBB == MF.begin()) {
     EntryState = ST_CLEAN;