Fix typos of occurred and occurrence

llvm-svn: 323318
diff --git a/llvm/utils/unittest/googletest/include/gtest/internal/gtest-filepath.h b/llvm/utils/unittest/googletest/include/gtest/internal/gtest-filepath.h
index 7a13b4b..1844506 100644
--- a/llvm/utils/unittest/googletest/include/gtest/internal/gtest-filepath.h
+++ b/llvm/utils/unittest/googletest/include/gtest/internal/gtest-filepath.h
@@ -192,7 +192,7 @@
 
   void Normalize();
 
-  // Returns a pointer to the last occurence of a valid path separator in
+  // Returns a pointer to the last occurrence of a valid path separator in
   // the FilePath. On Windows, for example, both '/' and '\' are valid path
   // separators. Returns NULL if no path separator was found.
   const char* FindLastPathSeparator() const;
diff --git a/llvm/utils/unittest/googletest/src/gtest-filepath.cc b/llvm/utils/unittest/googletest/src/gtest-filepath.cc
index 0292dc1..3bb2754 100644
--- a/llvm/utils/unittest/googletest/src/gtest-filepath.cc
+++ b/llvm/utils/unittest/googletest/src/gtest-filepath.cc
@@ -130,7 +130,7 @@
   return *this;
 }
 
-// Returns a pointer to the last occurence of a valid path separator in
+// Returns a pointer to the last occurrence of a valid path separator in
 // the FilePath. On Windows, for example, both '/' and '\' are valid path
 // separators. Returns NULL if no path separator was found.
 const char* FilePath::FindLastPathSeparator() const {