tridentfb: fix memory leaks in removal path

We were leaking the cmap memory.
Signed-off-by: Andres Salomon <dilinger@debian.org>
Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/video/tridentfb.c

@@ -1563,6 +1563,7 @@ static void __devexit trident_pci_remove(struct pci_dev *dev)
 	release_mem_region(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len);
 	pci_set_drvdata(dev, NULL);
 	kfree(info->pixmap.addr);
+	fb_dealloc_cmap(&info->cmap);
 	framebuffer_release(info);
 }