Spell `necessary' correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7944 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/LoadValueNumbering.cpp b/lib/Analysis/LoadValueNumbering.cpp
index a850f81..c47010c 100644
--- a/lib/Analysis/LoadValueNumbering.cpp
+++ b/lib/Analysis/LoadValueNumbering.cpp
@@ -130,7 +130,7 @@
 
     // Remove duplicates from the CandidateLoads list because alias analysis
     // processing may be somewhat expensive and we don't want to do more work
-    // than neccesary.
+    // than necessary.
     //
     unsigned OldSize = CandidateLoads.size();
     std::sort(CandidateLoads.begin(), CandidateLoads.end());