Include <algorithm> for std::max etc

llvm-svn: 290730
diff --git a/llvm/lib/Fuzzer/FuzzerCorpus.h b/llvm/lib/Fuzzer/FuzzerCorpus.h
index 42b3d24..468d5e5 100644
--- a/llvm/lib/Fuzzer/FuzzerCorpus.h
+++ b/llvm/lib/Fuzzer/FuzzerCorpus.h
@@ -17,6 +17,7 @@
 #include "FuzzerRandom.h"
 #include "FuzzerSHA1.h"
 #include "FuzzerTracePC.h"
+#include <algorithm>
 #include <numeric>
 #include <random>
 #include <unordered_set>