CIndex: Switch CXSourceRange to proper half-open intervals.
 - Doug, please review.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@96162 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang-c/Index.h b/include/clang-c/Index.h
index a42ec06..84ec472 100644
--- a/include/clang-c/Index.h
+++ b/include/clang-c/Index.h
@@ -257,7 +257,7 @@
 } CXSourceLocation;
 
 /**
- * \brief Identifies a range of source locations in the source code.
+ * \brief Identifies a half-open character range in the source code.
  *
  * Use clang_getRangeStart() and clang_getRangeEnd() to retrieve the
  * starting and end locations from a source range, respectively.