libstdc++: add braces

GCC compiles with -fno-exceptions, so __throw_exception_again is a no-op,
and compilation gives a -Wempty-body warning here, so let's wrap it as is
already done in a few other files.

libstdc++-v3/ChangeLog:

	* include/bits/basic_ios.h: Add braces.

diff --git a/libstdc++-v3/include/bits/basic_ios.h b/libstdc++-v3/include/bits/basic_ios.h
index bc3be4d2e37127f9f44e1e39688c666559821a23..2c2334d0fe3c6b0aaea2612cfed433fe32e164fd 100644 (file)
--- a/libstdc++-v3/include/bits/basic_ios.h
+++ b/libstdc++-v3/include/bits/basic_ios.h
@@ -171,7 +171,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
        // Turn this on without causing an ios::failure to be thrown.
        _M_streambuf_state |= __state;
        if (this->exceptions() & __state)
-         __throw_exception_again;
+         { __throw_exception_again; }
       }
 
       /**