Add support for MSVC.

Via clang-cl, which supports the --analyze option now.

Change-Id: Idbefe048eaa80e8c5bdb2244cb30c26ba7c71ef5
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>

plugins/clangstaticanalyzer/clangstaticanalyzerrunner.h

@@ -60,6 +60,7 @@ private:
 
     QString createLogFile(const QString &filePath) const;
     QString processCommandlineAndOutput() const;
+    QString actualLogFile() const;
 
 private:
     QString m_clangExecutable;