s/error_message/errorMessage/g

Change-Id: I9a91028fb7c00a20843d99ece659ec8b7acc7710
Reviewed-on: http://codereview.qt-project.org/5312
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/cmakeprojectmanager/cmakeprojectplugin.h

@@ -49,7 +49,7 @@ public:
     CMakeProjectPlugin();
     ~CMakeProjectPlugin();
 
-    bool initialize(const QStringList &arguments, QString *error_message);
+    bool initialize(const QStringList &arguments, QString *errorMessage);
 
     void extensionsInitialized();
 };