fix a bunch of comment typos found by codespell.  Patch by
Luis Felipe Strano Moraes!

llvm-svn: 129559
diff --git a/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp b/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
index a63e65a..fe6e1fd 100644
--- a/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
+++ b/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
@@ -254,7 +254,7 @@
 
 void AnalysisConsumer::HandleCode(Decl *D) {
 
-  // Don't run the actions if an error has occured with parsing the file.
+  // Don't run the actions if an error has occurred with parsing the file.
   Diagnostic &Diags = PP.getDiagnostics();
   if (Diags.hasErrorOccurred() || Diags.hasFatalErrorOccurred())
     return;