fix doxygen brief in subzero header files

src/IceTypeConverter.cpp

Index: src/IceTypeConverter.cpp
diff --git a/src/IceTypeConverter.cpp b/src/IceTypeConverter.cpp
index ec9e37b22bfa9f7c3dc10ce247bd85f362e41bad..3c11648c40e10b376713c20079e5762fcb6ad6d5 100644
--- a/src/IceTypeConverter.cpp
+++ b/src/IceTypeConverter.cpp
@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 ///
 /// \file
-/// This file implements how to convert LLVM types to ICE types, and ICE types
+/// \brief Implements how to convert LLVM types to ICE types, and ICE types

[Jim Stichnoth, 2015/12/01 18:41:17]

Reflow to 80-col.

But maybe it's better stated like this:

Implements conversion between LLVM and ICE types.

[rkotlerimgtec, 2015/12/02 01:32:48]

Done.

 /// to LLVM types.
 ///
 //===----------------------------------------------------------------------===//