unwind: clean up some stray semicolons

Clean up some stray semicolons found by GCC 4.9 -Wpedantic.  NFC.

git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@228664 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/src/Unwind/CompactUnwinder.hpp b/src/Unwind/CompactUnwinder.hpp
index 0dc187f..cd9ce3e 100644
--- a/src/Unwind/CompactUnwinder.hpp
+++ b/src/Unwind/CompactUnwinder.hpp
@@ -688,6 +688,6 @@
 }
 
 
-}; // namespace libunwind
+} // namespace libunwind
 
 #endif // __COMPACT_UNWINDER_HPP__
diff --git a/src/Unwind/UnwindCursor.hpp b/src/Unwind/UnwindCursor.hpp
index e65ae2c..10c866a 100644
--- a/src/Unwind/UnwindCursor.hpp
+++ b/src/Unwind/UnwindCursor.hpp
@@ -1310,6 +1310,6 @@
                                          buf, bufLen, offset);
 }
 
-}; // namespace libunwind
+} // namespace libunwind
 
 #endif // __UNWINDCURSOR_HPP__