Spell `necessary' correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7944 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CFrontend/2002-02-13-ReloadProblem.c b/test/CFrontend/2002-02-13-ReloadProblem.c
index 52eef78..eec7844 100644
--- a/test/CFrontend/2002-02-13-ReloadProblem.c
+++ b/test/CFrontend/2002-02-13-ReloadProblem.c
@@ -1,6 +1,6 @@
 /* This triggered a problem in reload, fixed by disabling most of the 
  * steps of compilation in GCC.  Before this change, the code went through
- * the entire backend of GCC, even though it was unneccesary for LLVM output
+ * the entire backend of GCC, even though it was unnecessary for LLVM output
  * now it is skipped entirely, and since reload doesn't run, it can't cause
  * a problem.
  */