[ObjectFileMachO] Fix a build error on embedded.
Commit: https://github.com/llvm/llvm-project/commit/34ee941f6d04454838456f0dc692f4abab5cdd19
Ticket: https://trac.macports.org/ticket/65355
--- a/tools/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp	2022-06-17 12:23:51.696814020 -0400
+++ b/tools/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp	2022-06-17 12:27:25.311601895 -0400
@@ -3503,8 +3503,8 @@
                               N_FUN_addr_to_sym_idx.equal_range(nlist.n_value);
                           if (range.first != range.second) {
                             bool found_it = false;
-                            for (const auto pos = range.first;
-                                 pos != range.second; ++pos) {
+                            for (auto pos = range.first; pos != range.second;
+                                 ++pos) {
                               if (sym[sym_idx].GetMangled().GetName(
                                       lldb::eLanguageTypeUnknown,
                                       Mangled::ePreferMangled) ==
@@ -3548,8 +3548,8 @@
                               nlist.n_value);
                           if (range.first != range.second) {
                             bool found_it = false;
-                            for (const auto pos = range.first;
-                                 pos != range.second; ++pos) {
+                            for (auto pos = range.first; pos != range.second;
+                                 ++pos) {
                               if (sym[sym_idx].GetMangled().GetName(
                                       lldb::eLanguageTypeUnknown,
                                       Mangled::ePreferMangled) ==