staging: speakup: varhandlers: Remove useless intialisation

Remove intialisation of a variable that is immediately reassigned.

The semantic patch used to find this is:

// <smpl>
@@
type T;
identifier x;
constant C;
expression e;
@@

T x
- = C
 ;
x = e;
// </smpl>
Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/speakup/varhandlers.c

@@ -323,7 +323,7 @@ char *spk_strlwr(char *s)
 
 char *spk_s2uchar(char *start, char *dest)
 {
-	int val = 0;
+	int val;
 
 	val = simple_strtoul(skip_spaces(start), &start, 10);
 	if (*start == ',')