[nemiver] Fix regression in assertions

[Hubert Figuière <hub src gnome org>]

commit f9e3f392bbc0112d182606cdf9caf04a80e7da78
Author: Hubert Figuière <hub figuiere net>
Date:   Wed Nov 2 23:31:58 2016 -0400

    Fix regression in assertions
    
            * src/common/nmv-log-stream.cc (LogStream::~LogStream):
            The assertion is the inverted condition.

 src/common/nmv-log-stream.cc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/common/nmv-log-stream.cc b/src/common/nmv-log-stream.cc
index ce51d7b..1a5d2a4 100644
--- a/src/common/nmv-log-stream.cc
+++ b/src/common/nmv-log-stream.cc
@@ -376,7 +376,7 @@ LogStream::LogStream (enum LogLevel a_level,
 LogStream::~LogStream ()
 {
     LOG_D ("delete", "destructor-domain");
-    ABORT_IF_FAIL2 (!m_priv, "double free in LogStream::~LogStream");
+    ABORT_IF_FAIL2 (m_priv, "double free in LogStream::~LogStream");
     m_priv.reset ();
 }