clang-format: Fix regression formatting QT's "signals:" from r234318.

llvm-svn: 234320
diff --git a/clang/lib/Format/UnwrappedLineFormatter.h b/clang/lib/Format/UnwrappedLineFormatter.h
index 9b83b27..7d5b011 100644
--- a/clang/lib/Format/UnwrappedLineFormatter.h
+++ b/clang/lib/Format/UnwrappedLineFormatter.h
@@ -80,7 +80,8 @@
     if (Style.Language == FormatStyle::LK_Java ||
         Style.Language == FormatStyle::LK_JavaScript)
       return 0;
-    if (RootToken.isAccessSpecifier(false) || RootToken.isObjCAccessSpecifier())
+    if (RootToken.isAccessSpecifier(false) ||
+        RootToken.isObjCAccessSpecifier() || RootToken.is(Keywords.kw_signals))
       return Style.AccessModifierOffset;
     return 0;
   }