[Parser] Change parameter type from int to enum

Some parser functions accept argument of type unsigned while it is
actually of type DeclSpec::TST. No functional changes.

Differential Revision: https://reviews.llvm.org/D65406

llvm-svn: 367545
diff --git a/clang/lib/Parse/ParseDecl.cpp b/clang/lib/Parse/ParseDecl.cpp
index 3cf1f82..63a7de4 100644
--- a/clang/lib/Parse/ParseDecl.cpp
+++ b/clang/lib/Parse/ParseDecl.cpp
@@ -4098,7 +4098,7 @@
 /// [OBC]   '@' 'defs' '(' class-name ')'
 ///
 void Parser::ParseStructUnionBody(SourceLocation RecordLoc,
-                                  unsigned TagType, Decl *TagDecl) {
+                                  DeclSpec::TST TagType, Decl *TagDecl) {
   PrettyDeclStackTraceEntry CrashInfo(Actions.Context, TagDecl, RecordLoc,
                                       "parsing struct/union body");
   assert(!getLangOpts().CPlusPlus && "C++ declarations not supported");