setup.py: add generated includes to search path

Author: enkore

setup.py

@@ -64,7 +64,7 @@
 
 runtime_library_dirs = ["$ORIGIN/."] if not SYSTEM_LIBSSH else None
 _lib_dir = os.path.abspath("./src/lib") if not SYSTEM_LIBSSH else "/usr/local/lib"
-include_dirs = ["libssh/include"] if (ON_WINDOWS or ON_RTD) or \
+include_dirs = ["libssh/include", "./src/include"] if (ON_WINDOWS or ON_RTD) or \
                not SYSTEM_LIBSSH else ["/usr/local/include"]
 
 extensions = [