nothrow: use noexcept for C++11 and newer
In C++11, the `throw()` specifier is deprecated and `noexcept` is
preffered instead.
diff --git a/src/liblzma/api/lzma.h b/src/liblzma/api/lzma.h
index ce675a7..aa88e42 100644
--- a/src/liblzma/api/lzma.h
+++ b/src/liblzma/api/lzma.h
@@ -219,7 +219,11 @@
*/
#ifndef lzma_nothrow
# if defined(__cplusplus)
-# define lzma_nothrow throw()
+# if __cplusplus >= 201103L
+# define lzma_nothrow noexcept
+# else
+# define lzma_nothrow throw()
+# endif
# elif __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)
# define lzma_nothrow __attribute__((__nothrow__))
# else
