Callers of SuspendAll should be in the kRunnable state

Change-Id: I37996164a5fd56251134683f717e6e00541cab22
diff --git a/src/heap.cc b/src/heap.cc
index bd6d009..bef71ae 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -369,7 +369,7 @@
     //       utilization slop for the new allocation.
     if (is_verbose_gc_) {
       LOG(INFO) << "Grow heap (frag case) to " << new_footprint / MB
-                << "for " << size << "-byte allocation";
+                << " for " << size << "-byte allocation";
     }
     return ptr;
   }