framebuffer: add missing blit() calls

Origin commit data
------------------
Commit: bcec8033b0
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2012-06-24 (Sun, 24 Jun 2012)

src/driver/framebuffer.cpp

@@ -1067,6 +1067,7 @@ bool CFrameBuffer::paintIcon8(const std::string & filename, const int x, const i
 		d += stride;
 	}
 	close(lfd);
+	blit();
 	return true;
 }
 
@@ -1670,6 +1671,7 @@ void CFrameBuffer::paintBackground()
 	{
 		paintBoxRel(0, 0, xRes, yRes, backgroundColor);
 	}
+	blit();
 }
 
 void CFrameBuffer::SaveScreen(int x, int y, int dx, int dy, fb_pixel_t * const memp)
@@ -1976,4 +1978,5 @@ void CFrameBuffer::paintMuteIcon(bool paint, int ax, int ay, int dx, int dy, boo
 	}
 	else
 		paintBackgroundBoxRel(ax, ay, dx, dy);
+	blit();
 }