svx: loplugin:staticmethods

Change-Id: I8786baa0a5142397c157e01d5b99aa2c482bb468

include/svx/fntctrl.hxx

@@ -63,7 +63,6 @@ public:
     void                ResetColor();
     void                SetBackColor( const Color& rColor );
     void                UseResourceText();
-    bool                CleanAndCheckEmpty(OUString& rText);
     void                Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& ) override;
 
     bool                IsTwoLines() const;

svx/source/dialog/fntctrl.cxx

@@ -616,7 +616,7 @@ void SvxFontPrevWindow::UseResourceText()
  * removes line feeds and carriage returns from string
  * returns if param is empty
  */
-bool SvxFontPrevWindow::CleanAndCheckEmpty(OUString& rText)
+bool CleanAndCheckEmpty(OUString& rText)
 {
     bool bEmpty = true;
     for (sal_Int32 i = 0; i < rText.getLength(); ++i)