am 31c9763a: merge in KQS81M

* commit '31c9763a1b5f45ee51cef272244a58fb1115945a':
  Make inlined CAS32 loop until store is successful if values match.
  Revert "Fix CAS intrinsic to clear exclusive if values don't match."
  Fix ImageHeader.IsValid
  Add flock(2)ing on dex-cache files to prevent races
diff --git a/dalvikvm/dalvikvm.cc b/dalvikvm/dalvikvm.cc
index 4607f9a..ea8461f 100644
--- a/dalvikvm/dalvikvm.cc
+++ b/dalvikvm/dalvikvm.cc
@@ -16,6 +16,7 @@
 
 #include <signal.h>
 
+#include <algorithm>
 #include <cstdio>
 #include <cstring>
 #include <string>