build: correct fi indentation in Makefile

PR-URL: #25107
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Makefile

@@ -341,7 +341,7 @@ test/addons/.docbuildstamp: $(DOCBUILDSTAMP_PREREQS) tools/doc/node_modules
 		$(RM) -r test/addons/??_*/; \
 		[ -x $(NODE) ] && $(NODE) $< || node $< ; \
 		touch $@; \
-  fi
+	fi
 
 ADDONS_BINDING_GYPS := \
 	$(filter-out test/addons/??_*/binding.gyp, \
@@ -616,7 +616,7 @@ tools/doc/node_modules: tools/doc/package.json
 		echo "Skipping tools/doc/node_modules (no crypto)"; \
 	else \
 		cd tools/doc && $(call available-node,$(run-npm-ci)) \
-  fi
+	fi
 
 .PHONY: doc-only
 doc-only: tools/doc/node_modules \