Remove unneeded ';' and a class/struct mismatch (noticed by clang).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90934 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeEmitterGen.h b/utils/TableGen/CodeEmitterGen.h
index ed6777d..2dc34ba 100644
--- a/utils/TableGen/CodeEmitterGen.h
+++ b/utils/TableGen/CodeEmitterGen.h
@@ -23,7 +23,7 @@
 
 class RecordVal;
 class BitsInit;
-class Init;
+struct Init;
 
 class CodeEmitterGen : public TableGenBackend {
   RecordKeeper &Records;