Remove stray semicolon

Change-Id: I29d2cbf04becceae8725191fce487743c74a2c3b
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/73029
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
Auto-Submit: David Benjamin <davidben@google.com>
diff --git a/ssl/internal.h b/ssl/internal.h
index 371a08c..fcca3c7 100644
--- a/ssl/internal.h
+++ b/ssl/internal.h
@@ -1296,7 +1296,7 @@
 
   bool operator==(DTLSRecordNumber r) const {
     return combined() == r.combined();
-  };
+  }
   bool operator!=(DTLSRecordNumber r) const { return !((*this) == r); }
 
   uint64_t combined() const { return combined_; }