[PATCH] taging: speakup: remove volatile

[MugilRaj]

fix checkpatch.pl warning, which is Use of volatile is usually wrong: see
Documentation/process/volatile-considered-harmful.rst
Signed-off-by: MugilRaj <dmugil2000 at gmail.com>
---
 drivers/staging/speakup/speakup_decext.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/speakup/speakup_decext.c b/drivers/staging/speakup/speakup_decext.c
index ddbb7e9..22baaeb 100644
--- a/drivers/staging/speakup/speakup_decext.c
+++ b/drivers/staging/speakup/speakup_decext.c
@@ -21,7 +21,7 @@
 #define SYNTH_CLEAR 0x03
 #define PROCSPEECH 0x0b
 
-static volatile unsigned char last_char;
+static unsigned char last_char;
 
 static void read_buff_add(u_char ch)
 {
-- 
2.7.4