Speculative fix for timeouts (hangs) in

runtime/bin/main.cc

Index: runtime/bin/main.cc
diff --git a/runtime/bin/main.cc b/runtime/bin/main.cc
index 0edd37e0209326f8eba577a6a1ed2d1ab737fc0b..072b0534051cf26bac86975c489f8584e54eeb6b 100644
--- a/runtime/bin/main.cc
+++ b/runtime/bin/main.cc
@@ -1111,7 +1111,7 @@ static void ReadSnapshotFile(const char* snapshot_directory,
   }
   DartUtils::CloseFile(file);
   if (concat != NULL) {
-    delete concat;
+    delete[] concat;
   }
 }
 
@@ -1140,7 +1140,7 @@ static void ReadExecutableSnapshotFile(const char* snapshot_directory,
     Platform::Exit(kErrorExitCode);
   }
   if (concat != NULL) {
-    delete concat;
+    delete[] concat;
   }
 }