Fix buildbot breakage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@338940 91177308-0d34-0410-b5e6-96231b3b80d8

Author: rui314

lib/Support/Compression.cpp

@@ -89,8 +89,7 @@ uint32_t zlib::crc32(StringRef Buffer) {
 #else
 bool zlib::isAvailable() { return false; }
 Error zlib::compress(StringRef InputBuffer,
-                     SmallVectorImpl<char> &CompressedBuffer,
-                     CompressionLevel Level) {
+                     SmallVectorImpl<char> &CompressedBuffer, int Level) {
   llvm_unreachable("zlib::compress is unavailable");
 }
 Error zlib::uncompress(StringRef InputBuffer, char *UncompressedBuffer,