[ORC][MachO] Pluralize member name.

This member switched from an optional to a vector in 0f252e7.

Author: lhames

llvm/include/llvm/ExecutionEngine/Orc/MachOPlatform.h

@@ -78,7 +78,7 @@ class MachOPlatform : public Platform {
     /// List of LC_RPATHs.
     std::vector<std::string> RPaths;
     /// List of LC_BUILD_VERSIONs.
-    std::vector<BuildVersionOpts> BuildVersion;
+    std::vector<BuildVersionOpts> BuildVersions;
 
     HeaderOptions() = default;
     HeaderOptions(Dylib D) : IDDylib(std::move(D)) {}

llvm/lib/ExecutionEngine/Orc/MachOPlatform.cpp

@@ -1725,7 +1725,7 @@ jitlink::Block &createHeaderBlock(MachOPlatform &MOP,
   else
     B.template addLoadCommand<MachO::LC_ID_DYLIB>(JD.getName(), 0, 0, 0);
 
-  for (auto &BV : Opts.BuildVersion)
+  for (auto &BV : Opts.BuildVersions)
     B.template addLoadCommand<MachO::LC_BUILD_VERSION>(
         BV.Platform, BV.MinOS, BV.SDK, static_cast<uint32_t>(0));
   for (auto &D : Opts.LoadDylibs)