buildoutputparser: Adapt to removal of "slot" keyword

Was forgotten in 7b71ac3821.

Change-Id: I5f2d5dc17092d2761c8ba98df8e82fb644954833
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/tools/buildoutputparser/main.cpp

@@ -30,6 +30,7 @@
 #include <QMetaObject>
 #include <QFileInfo>
 #include <QStringList>
+#include <QTimer>
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -98,6 +99,6 @@ int main(int argc, char *argv[])
         return EXIT_FAILURE;
     }
     CompilerOutputProcessor cop(compilerType, compilerOutputFile);
-    QMetaObject::invokeMethod(&cop, "start", Qt::QueuedConnection);
+    QTimer::singleShot(0, &cop, &CompilerOutputProcessor::start);
     return app.exec();
 }

src/tools/buildoutputparser/outputprocessor.h

@@ -47,8 +47,8 @@ public:
     CompilerOutputProcessor(CompilerType compilerType, QIODevice &source);
      ~CompilerOutputProcessor();
 
-private:
     void start();
+private:
     void handleTask(const ProjectExplorer::Task &task);
 
     const CompilerType m_compilerType;