filter.el added correctly.

src/Makefile

@@ -55,7 +55,7 @@ SRC-ELC = komtypes.elc clienttypes.elc startup.elc \
 	reading.elc \
 	internal.elc parse.elc services.elc cache.elc\
 	commands1.elc commands2.elc review.elc edit-text.elc \
-	filter.el filter-edit.el \
+	filter.elc filter-edit.elc \
 	view-text.elc async.elc completing-read.elc \
 	prioritize.elc flags.elc \
 	elib-string.elc \