staging: fbtft: Remove blank line

Remove blank line before closing brace to fix the checkpatch
issue blank lines aren't necessary before a close brace '}'.
Signed-off-by: Gargi Sharma <gs051095@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/fbtft/fbtft-core.c

@@ -556,7 +556,6 @@ static int fbtft_fb_setcolreg(unsigned int regno, unsigned int red, unsigned int
 			ret = 0;
 		}
 		break;
-
 	}
 	return ret;
 }