[t:5875], some stylistic changes

git-svn-id: file:///svn/toku/tokudb@43464 c7de825b-a66e-492c-adef-691d508d4ae1

newbrt/brt.c

@@ -5489,12 +5489,14 @@ toku_brt_stat64 (BRT brt, TOKUTXN UU(txn), struct brtstat64_s *s) {
     // just use the in memory stats from the header
     // prevent appearance of negative numbers for numrows, numbytes
     int64_t n = brt->h->in_memory_stats.numrows;
-    if (n < 0)
+    if (n < 0) {
         n = 0;
+    }
     s->nkeys = s->ndata = n;
     n = brt->h->in_memory_stats.numbytes;
-    if (n < 0)
+    if (n < 0) {
         n = 0;
+    }
     s->dsize = n; 
 
     // 4018