Fixed make clean when configured --disable-asteriskssl

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/11@373047 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/Makefile

@@ -278,7 +278,10 @@ ifneq ($(LDCONFIG),)
 endif
 
 clean::
-	rm -f asterisk libasteriskssl.o $(ASTSSL_LIB) $(ASTSSL_LIB).*
+	rm -f asterisk libasteriskssl.o
+ifeq ($(AST_ASTERISKSSL),yes)
+	rm -f $(ASTSSL_LIB) $(ASTSSL_LIB).*
+endif
 	rm -f asterisk.exports libasteriskssl.exports
 	@if [ -f editline/Makefile ]; then $(MAKE) -C editline distclean ; fi
 	@$(MAKE) -C stdtime clean