Fix variable misspelling.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51122 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/ccc-analyzer b/utils/ccc-analyzer
index 5cb9151..2c1960e 100755
--- a/utils/ccc-analyzer
+++ b/utils/ccc-analyzer
@@ -122,7 +122,7 @@
       return "objective-c"
   elif extension == "mi":
       return "objective-c-cpp-output"
-  elif extention == "s":
+  elif extension == "s":
       return "skip"
   else:
       return "unknown"