crypto: cryptd - make cryptd_max_cpu_qlen module parameter static

The cryptd_max_cpu_qlen module parameter is local to the source and does
not need to be in global scope, so make it static.

Cleans up sparse warning:
crypto/cryptd.c:35:14: warning: symbol 'cryptd_max_cpu_qlen' was not
declared. Should it be static?

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/cryptd.c

@@ -32,7 +32,7 @@
 #include <linux/sched.h>
 #include <linux/slab.h>
 
-unsigned int cryptd_max_cpu_qlen = 1000;
+static unsigned int cryptd_max_cpu_qlen = 1000;
 module_param(cryptd_max_cpu_qlen, uint, 0);
 MODULE_PARM_DESC(cryptd_max_cpu_qlen, "Set cryptd Max queue depth");