[PATCH -perfbook 4/4] Fix definition of \indexh for flat index pages

Current definition results in random original terms appearing
in the flat index.  Fix this by using "#3 #2" (second-level term) +
(first-level term) for flat index.

Signed-off-by: Akira Yokosawa <[email protected]>
---
 perfbook-lt.tex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/perfbook-lt.tex b/perfbook-lt.tex
index 3adf512effcb..cddff24f1d42 100644
--- a/perfbook-lt.tex
+++ b/perfbook-lt.tex
@@ -217,7 +217,7 @@
 \newcommand{\indexhr}[3]{\indexhraw{#2}{#3}}
 \newcommand{\indexhmr}[3]{\ucindexhm{#2}{#3}}
 }{
-\newcommand{\indexh}[3]{\ucindex{#1}}
+\newcommand{\indexh}[3]{\ucindex{#3 #2}}
 \newcommand{\indexhr}[3]{\index{#1}}
 \newcommand{\indexhmr}[3]{\index{#1}}
 }
-- 
2.25.1