Adopt consistent include path for tracker-sparql.h
Unifies include path to <tracker-sparql.h> following project documentation. Adjusts build options to include src/libtracker-sparql directory. This change addresses inconsistency in include paths for tracker-sparql.h across the codebase. By adopting the documented approach (<tracker-sparql.h>), we improve code clarity and simplify maintenance.
Fixes #319 (closed)
Edited by Divyansh Jain