crypto: Add spaces around operator

I am reading crypto related code, find some code style problems while
using checkpatch.pl to check crypto folder. Fix the error style
problems.

Signed-off-by: Liyang Shi <shiliyang@huawei.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/crypto/desrfb.c b/crypto/desrfb.c
index 675847c93b..b2a105ebbc 100644
--- a/crypto/desrfb.c
+++ b/crypto/desrfb.c
@@ -93,7 +93,7 @@ void deskey(unsigned char *key, int edf)
                     }
                 for( j = 0; j < 24; j++ ) {
                         if( pcr[pc2[j]] ) kn[m] |= bigbyte[j];
-                        if( pcr[pc2[j+24]] ) kn[n] |= bigbyte[j];
+                        if( pcr[pc2[j + 24]] ) kn[n] |= bigbyte[j];
                         }
                 }
         cookey(kn);