New QTC_CHECK warning replacing QTC_ASSERT(x, /**/)

Warn if the condition fails, but otherwise don't change the execution
flow.

Change-Id: Id7b14c745109b66960add967b2a4ef8d31e1a546
Reviewed-on: http://codereview.qt.nokia.com/2389
Reviewed-by: Eike Ziller <eike.ziller@nokia.com>

src/plugins/coreplugin/mimedatabase.cpp

@@ -565,7 +565,7 @@ MimeTypeData::MimeTypeData()
     // "*.log[1-9]"
     : suffixPattern(QLatin1String("^\\*\\.[\\w+]+$"))
 {
-    QTC_ASSERT(suffixPattern.isValid(), /**/);
+    QTC_CHECK(suffixPattern.isValid());
 }
 
 void MimeTypeData::clear()