Merge pull request #880 from PetrilloAtWork/feature/gp_linkFix

Adding missing library link

Author: nathanielerowe

sbndcode/Decoders/XARAPUCA/CMakeLists.txt

@@ -11,7 +11,8 @@ art_make(
 
     ROOT::Core
     ROOT::Tree
+    ROOT::Hist
 
 )
 
-install_fhicl()
+install_fhicl()