[Bindings][Go] Fix go.test failure due to missing argument

[lkail]

Summary

go.test failed with error

# llvm.org/llvm/bindings/go/llvm [llvm.org/llvm/bindings/go/llvm.test]
/tmp/gopath431502532/src/llvm.org/llvm/bindings/go/llvm/dibuilder.go:514:40: not enough arguments in call to _Cfunc_LLVMDIBuilderCreateTypedef                                               
        have (_Ctype_LLVMDIBuilderRef, _Ctype_LLVMMetadataRef, *_Ctype_char, _Ctype_ulong, _Ctype_LLVMMetadataRef, _Ctype_uint, _Ctype_LLVMMetadataRef)                                      
        want (*_Ctype_struct_LLVMOpaqueDIBuilder, *_Ctype_struct_LLVMOpaqueMetadata, *_Ctype_char, _Ctype_ulong, *_Ctype_struct_LLVMOpaqueMetadata, _Ctype_uint, *_Ctype_struct_LLVMOpaqueMetadata, _Ctype_uint)

This patch fixes above error.

[bkramer]

lg

llvm/bindings/go/llvm/dibuilder.go

result := C.LLVMDIBuilderCreateArrayType(
     subscripts,
     length,
   )
   return Metadata{C: result}
 }
 
 // DITypedef holds the values for creating typedef type debug metadata.
 type DITypedef struct {
-  Type    Metadata
-  Name    string
-  File    Metadata
-  Line    int
-  Context Metadata
+  Type        Metadata
+  Name        string
+  File        Metadata
+  Line        int
+  Context     Metadata
+  AlignInBits int
 }
 
 // CreateTypedef creates typedef type debug metadata.
 func (d *DIBuilder) CreateTypedef(t DITypedef) Metadata {
   name := C.CString(t.Name)
   defer C.free(unsafe.Pointer(name))
   result := C.LLVMDIBuilderCreateTypedef(
     d.ref,
     t.Type.C,
     name,
     C.size_t(len(t.Name)),
     t.File.C,
     C.unsigned(t.Line),
     t.Context.C,
+    C.unsigned(t.AlignInBits),
   )
   return Metadata{C: result}
 }
 
 // getOrCreateSubrange gets a metadata node for the specified subrange,
 // creating if required.
 func (d *DIBuilder) getOrCreateSubrange(lo, count int64) Metadata {
   result := C.LLVMDIBuilderGetOrCreateSubrange(d.ref, C.int64_t(lo), C.int64_t(count))