add tools/.sh to tarball target

Makefile

@@ -18,7 +18,7 @@ essai:		essai.c libfloatimg.a floatimg.h Makefile
 TOTAR = *.[ch] Makefile *.sh *.md 			\
 	doc/the*.tex doc/mk*.sh	doc/*.txt		\
 	funcs/*.[ch] funcs/Makefile			\
-	tools/*.[ch] tools/README.md tools/Makefile		\
+	tools/*.[ch] tools/*.sh tools/README.md tools/Makefile \
 	v4l2/*.[ch] v4l2/Makefile			\
 	scripts/*.sh scripts/README.md			\
 	lib/*.[ch] lib/Makefile