fix doxygen brief in subzero header files

src/IceAPInt.h

Index: src/IceAPInt.h
diff --git a/src/IceAPInt.h b/src/IceAPInt.h
index 9ef0702186fe6d64ebe437bd5b011b1be5e7d7a2..3c023c8b08c33aa14d7ad45b3840dac7b5100ab9 100644
--- a/src/IceAPInt.h
+++ b/src/IceAPInt.h
@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 ///
 /// \file
-/// \brief This file implements a class to represent 64 bit integer constant
+/// \brief Implements a class to represent 64 bit integer constant

[Jim Stichnoth, 2015/12/01 18:41:15]

Reflow to 80-col

[rkotlerimgtec, 2015/12/02 01:32:47]

this file has been deleted

 /// values, and their conversion to variable bit sized integers.
 ///
 /// Note: This is a simplified version of llvm/include/llvm/ADT/APInt.h for use