Move Host::GetArchitecture to HostInfo::GetArchitecture.

As a side effect, this patch also eliminates all of the
preprocessor conditionals previously used to implement
GetArchitecture().

llvm-svn: 216074
diff --git a/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp b/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
index 9d88bb2..32915d2 100644
--- a/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
+++ b/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
@@ -38,6 +38,7 @@
 #include "lldb/Core/Scalar.h"
 #include "lldb/Core/State.h"
 #include "lldb/Host/Host.h"
+#include "lldb/Host/HostInfo.h"
 #include "lldb/Symbol/ObjectFile.h"
 #include "lldb/Target/NativeRegisterContext.h"
 #include "lldb/Target/ProcessLaunchInfo.h"
@@ -1266,10 +1267,8 @@
     ModuleSP exe_module_sp;
     FileSpecList executable_search_paths (Target::GetDefaultExecutableSearchPaths());
 
-    error = platform_sp->ResolveExecutable(process_info.GetExecutableFile(),
-                                    Host::GetArchitecture(),
-                                    exe_module_sp,
-                                    executable_search_paths.GetSize() ? &executable_search_paths : NULL);
+    error = platform_sp->ResolveExecutable(process_info.GetExecutableFile(), HostInfo::GetArchitecture(), exe_module_sp,
+                                           executable_search_paths.GetSize() ? &executable_search_paths : NULL);
     if (!error.Success())
         return;