Changed the Makefile to force removement of files when using the clean-target.

Makefile

@@ -14,8 +14,8 @@ publish: all
 
 clean:
 	@rm -rf *run.xml *-blx.bib *.aux *.bbl *.blg *.brf *.log *.lof *.lot *.lol *.out *.tcp *.toc *.tps *.bak *.backup *.pdfsync *.synctex.gz *.*~
-	@for i in run.xml -blx.bib aux bbl blg brf log lof lot lol out tcp toc tps bak backup pdfsync synctex.gz; do find -name *.$$i -exec rm {} + ; done
+	@for i in run.xml -blx.bib aux bbl blg brf log lof lot lol out tcp toc tps bak backup pdfsync synctex.gz; do find -name *.$$i -exec rm -f {} + ; done
-	@find -name *.*~ -exec rm {} +
+	@find -name *.*~ -exec rm -f {} +
 
 cleanall: clean
 	@rm *.pdf