Fix state name abbreviation

The TRSCV state abbrev was used for two states:
* TLS_ST_CR_CERT_VRFY
* TLS_ST_SW_CERT_VRFY

The second one is wrong because it's a write operation.
The state for TLS_ST_SW_CERT_VRFY should be "TWSCV"

Reviewed-by: Ben Kaduk <kaduk@mit.edu>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/16327)
diff --git a/ssl/ssl_stat.c b/ssl/ssl_stat.c
index 3ef0e15..32bc432 100644
--- a/ssl/ssl_stat.c
+++ b/ssl/ssl_stat.c
@@ -137,9 +137,9 @@
     case TLS_ST_CW_NEXT_PROTO:
         return "TWNP";
     case TLS_ST_BEFORE:
-        return "PINIT ";
+        return "PINIT";
     case TLS_ST_OK:
-        return "SSLOK ";
+        return "SSLOK";
     case TLS_ST_CW_CLNT_HELLO:
         return "TWCH";
     case TLS_ST_CR_SRVR_HELLO:
@@ -201,7 +201,7 @@
     case TLS_ST_CR_CERT_VRFY:
         return "TRSCV";
     case TLS_ST_SW_CERT_VRFY:
-        return "TRSCV";
+        return "TWSCV";
     case TLS_ST_CR_HELLO_REQ:
         return "TRHR";
     case TLS_ST_SW_KEY_UPDATE:
@@ -221,7 +221,7 @@
     case TLS_ST_SR_END_OF_EARLY_DATA:
         return "TWEOED";
     default:
-        return "UNKWN ";
+        return "UNKWN";
     }
 }