src/driver/pictureviewer/pictureviewer.cpp: move free handlers to ~CPictureViewer(), fix segfault aufter commit 833fb32197

src/driver/pictureviewer/pictureviewer.cpp

@@ -368,6 +368,17 @@ CPictureViewer::CPictureViewer ()
 	init_handlers ();
 }
 
+CPictureViewer::~CPictureViewer ()
+{
+	Cleanup();
+	CFormathandler *fh = fh_root;
+	while (fh) {
+		CFormathandler *tmp = fh->next;
+		free(fh);
+		fh = tmp;
+	}
+}
+
 void CPictureViewer::showBusy (int sx, int sy, int width, char r, char g, char b)
 {
 	//  dbout("Show Busy{\n");
@@ -446,12 +457,6 @@ void CPictureViewer::Cleanup ()
 		free (m_CurrentPic_Buffer);
 		m_CurrentPic_Buffer = NULL;
 	}
-	CFormathandler *fh = fh_root;
-	while (fh) {
-		CFormathandler *tmp = fh->next;
-		free(fh);
-		fh = tmp;
-	}
 }
 
 void CPictureViewer::getSize(const char* name, int* width, int *height)

src/driver/pictureviewer/pictureviewer.h

@@ -50,7 +50,7 @@ class CPictureViewer
 			COLOR=2
 		};
 	CPictureViewer();
-	~CPictureViewer(){Cleanup();};
+	~CPictureViewer();
 	bool ShowImage(const std::string & filename, bool unscaled=false);
 	bool DecodeImage(const std::string & name, bool showBusySign=false, bool unscaled=false);
 	bool DisplayNextImage();