gssmask: HandleOp unused var principal

Always NULL.

Change-Id: I65074562b029effcec62c4edb5d33e3289a634db

appl/gssmask/gssmask.c

@@ -860,7 +860,6 @@ HandleOP(AcquirePKInitCreds)
     int32_t flags;
     krb5_data pfxdata;
     char fn[] = "FILE:/tmp/pkcs12-creds-XXXXXXX";
-    krb5_principal principal = NULL;
     int fd;
 
     ret32(c, flags);
@@ -874,9 +873,6 @@ HandleOP(AcquirePKInitCreds)
     krb5_data_free(&pfxdata);
     close(fd);
 
-    if (principal)
-	krb5_free_principal(context, principal);
-
     put32(c, -1); /* hResource */
     put32(c, GSMERR_NOT_SUPPORTED);
     return 0;