made rc-file Digital mars conform

digital mars resource compiler(rcc) must be downloaded seperatly.
The changes in the makefile are:

<pre>

+RCFLAGS=-32 -w1

 APPNAME = $(OBJDIR)\fossil$(E)

 all: $(APPNAME)

-$(APPNAME) : translate$E mkindex$E headers  $(OBJ) $(OBJDIR)\link
+$(APPNAME) : translate$E mkindex$E headers fossil.res $(OBJ) $(OBJDIR)\link
        cd $(OBJDIR)
        @link

+fossil.res:
+       $(RC) $(RCFLAGS) -o$@ $**
+
 $(OBJDIR)\link:
        +echo add allrepo attach bag blob branch browse captcha cgi checkin checkout clearsign clone comformat configure
 content db delta deltacmd descendants diff diffcmd doc encode file finfo graph http http_socket http_ssl http_transport
 info login main manifest md5 merge merge3 name pivot popen pqueue printf rebuild report rss schema search setup sha1 sh
un skins stat style sync tag th_main timeline tkt tktsetup undo update url user verify vfile wiki wikiformat winhttp xfe
r zip sqlite3 th th_lang > $@
        +echo fossil >> $@
        +echo fossil >> $@
        +echo $(LIBS) >> $@
+       +echo. >> $@
+       +echo fossil >> $@
</pre>