- backport a fix

--- avogadro/qtplugins/templatetool/CMakeLists.txt.orig	2024-02-12 18:50:42 UTC
+++ avogadro/qtplugins/templatetool/CMakeLists.txt
@@ -24,7 +24,7 @@ avogadro_plugin(TemplateTool
 )
 
 # Install the fragments
-set(_molecules "${AvogadroLibs_SOURCE_DIR}/../fragments")
+set(_fragments "${AvogadroLibs_SOURCE_DIR}/../fragments")
 
 # Look in parallel directory for the molecule fragment repository
 if(NOT EXISTS "${_fragments}")