fixup: Forgot to change vendor to DWARF

Author: dsandersllvm

llvm/include/llvm/BinaryFormat/Dwarf.def

@@ -967,7 +967,7 @@ HANDLE_DW_LANG(0x0036, HLSL, 0, 0, DWARF)
 HANDLE_DW_LANG(0x0037, OpenCL_CPP, 0, 0, DWARF)
 HANDLE_DW_LANG(0x0038, CPP_for_OpenCL, 0, 0, DWARF)
 HANDLE_DW_LANG(0x0039, SYCL, 0, 0, DWARF)
-HANDLE_DW_LANG(0x003d, Metal, 0, 0, APPLE)
+HANDLE_DW_LANG(0x003d, Metal, 0, 0, DWARF)
 HANDLE_DW_LANG(0x0040, Ruby, 0, 0, DWARF)
 HANDLE_DW_LANG(0x0041, Move, 0, 0, DWARF)
 HANDLE_DW_LANG(0x0042, Hylo, 0, 0, DWARF)