11394 iconv_modules build could be much more parallel

@@ -36,11 +36,11 @@
 GENI_SRCS               = ../common/binarytables/srcs
 
 include $(SRC)/lib/iconv_modules/Makefile.iconv
 include $(SRC)/lib/iconv_modules/utf-8/Makefile.iconv
 
-CLEANFILES =    *.o *.so core *.bt
+CLEANFILES =    *.o *.so *.bt
 
 .NO_PARALLEL:
 
 .PARALLEL: $(DYNOBJS) $(BINARYTABLES)