Add EbtInt and EbtuInt to isIntegerDomain().

The previous merge needs this hole filled, but filling
it as a separate commit.
diff --git a/glslang/Include/Types.h b/glslang/Include/Types.h
index 5b860b6..371ba1c 100644
--- a/glslang/Include/Types.h
+++ b/glslang/Include/Types.h
@@ -1369,12 +1369,14 @@
     virtual bool isIntegerDomain() const
     {
         switch (basicType) {
+        case EbtInt8:
+        case EbtUint8:
+        case EbtInt16:
+        case EbtUint16:
         case EbtInt:
         case EbtUint:
         case EbtInt64:
         case EbtUint64:
-        case EbtInt16:
-        case EbtUint16:
         case EbtAtomicUint:
             return true;
         default: