[tracker/sam/tracker-miner-warning-fixes: 1/2] docs: Fix warning in libtracker-miner docs

[Sam Thursfield <sthursfield src gnome org>]

commit 17da1c5e42aba22c301a4a98b5f943f6b898f94b
Author: Sam Thursfield <sam afuera me uk>
Date:   Wed Mar 27 23:58:50 2019 +0100

    docs: Fix warning in libtracker-miner docs
    
    This fixes the following warning:
    
        html/TrackerMinerFS.html:1238: warning: no link for: "api-index-1.8" -> (1.8).

 docs/reference/libtracker-miner/libtracker-miner-docs.xml | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/docs/reference/libtracker-miner/libtracker-miner-docs.xml 
b/docs/reference/libtracker-miner/libtracker-miner-docs.xml
index 2ef95978a..a54ae7482 100644
--- a/docs/reference/libtracker-miner/libtracker-miner-docs.xml
+++ b/docs/reference/libtracker-miner/libtracker-miner-docs.xml
@@ -98,6 +98,10 @@
     <title>Index of new symbols in 1.2.2</title>
     <xi:include href="xml/api-index-1.2.2.xml"><xi:fallback /></xi:include>
   </index>
+  <index id="api-index-1-8" role="1.8">
+    <title>Index of new symbols in 1.8</title>
+    <xi:include href="xml/api-index-1.8.xml"><xi:fallback /></xi:include>
+  </index>
   <index id="api-index-1-10" role="1.10">
     <title>Index of new symbols in 1.10</title>
     <xi:include href="xml/api-index-1.10.xml"><xi:fallback /></xi:include>