Include <cerrno> in MetadataSource.h because we're using errno and ERANGE in that file (#39875)

kubamracek · web-flow · commit 1325b64819b1 · 2021-10-22T16:08:35.000-07:00
diff --git a/include/swift/Reflection/MetadataSource.h b/include/swift/Reflection/MetadataSource.h
@@ -27,6 +27,7 @@
 
 using llvm::cast;
 
+#include <cerrno>
 #include <climits>
 #include <string>
 
