[ObjectFileMachO] Fix the build for __arm64__.

Catch up with an API change.

diff --git a/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp b/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp
index d82a1ad..aff1d1e 100644 (file)
--- a/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp
+++ b/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp
@@ -2538,8 +2538,7 @@ size_t ObjectFileMachO::ParseSymtab() {
 
     // Next we need to determine the correct path for the dyld shared cache.
 
-    ArchSpec header_arch;
-    GetArchitecture(header_arch);
+    ArchSpec header_arch = GetArchitecture();
     char dsc_path[PATH_MAX];
     char dsc_path_development[PATH_MAX];