lld: Replace some lld::outs()s with message()

No behavior change.

Author: nico

lld/COFF/Driver.cpp

@@ -1263,7 +1263,7 @@ void LinkerDriver::link(ArrayRef<const char *> argsArr) {
   // because it doesn't start with "/", but we deliberately chose "--" to
   // avoid conflict with /version and for compatibility with clang-cl.
   if (args.hasArg(OPT_dash_dash_version)) {
-    lld::outs() << getLLDVersion() << "\n";
+    message(getLLDVersion());
     return;
   }
 

lld/MachO/Driver.cpp

@@ -325,7 +325,7 @@ static InputFile *addFile(StringRef path, bool forceLoadArchive) {
     // printArchiveMemberLoad() prints both .a and .o names, so no need to
     // print the .a name here.
     if (config->printEachFile && magic != file_magic::archive)
-      lld::outs() << toString(newFile) << '\n';
+      message(toString(newFile));
     inputFiles.insert(newFile);
   }
   return newFile;

lld/MachO/DriverUtils.cpp

@@ -208,7 +208,7 @@ uint32_t macho::getModTime(StringRef path) {
 
 void macho::printArchiveMemberLoad(StringRef reason, const InputFile *f) {
   if (config->printEachFile)
-    lld::outs() << toString(f) << '\n';
+    message(toString(f));
   if (config->printWhyLoad)
-    lld::outs() << reason << " forced load of " << toString(f) << '\n';
+    message(reason + " forced load of " + toString(f));
 }