List 16-bit spec files explicitly to avoid problems with some versions
of make.

diff --git a/Make.rules.in b/Make.rules.in
index 3ca4d23..303f2d6 100644
--- a/Make.rules.in
+++ b/Make.rules.in
@@ -10,7 +10,6 @@
 # C_SRCS       : C sources for the module
 # C_SRCS16     : 16-bit C sources for the module
 # RC_SRCS      : resource source files
-# SPEC_SRCS    : interface definition files
 # EXTRA_SRCS   : extra source files for make depend
 # EXTRA_OBJS   : extra object files
 # IMPORTS      : dlls to import
@@ -154,7 +153,7 @@
 
 # Rule to rebuild the tools
 
-$(MAKEDEP) $(WIDL) $(WINEBUILD) $(WMC) $(WRC):
+$(MAKEDEP):
 	cd $(TOOLSDIR)/tools && $(MAKE) `basename $@`
 
 # Rules for makefile
@@ -163,28 +162,6 @@
 	@echo Makefile is older than $?, please rerun $(TOPSRCDIR)/configure
 	@exit 1
 
-# Rules for auto documentation
-
-$(SUBDIRS:%=%/__man__): dummy
-	cd `dirname $@` && $(MAKE) man
-
-man: $(C_SRCS) $(SUBDIRS:%=%/__man__)
-	$(MKINSTALLDIRS) $(TOPOBJDIR)/documentation/man$(api_manext) && $(C2MAN) -o $(TOPOBJDIR)/documentation/man$(api_manext) -R$(TOPOBJDIR) -S$(api_manext) $(DIVINCL) $(MAINSPEC:%=-w %) $(SPEC_SRCS:%=-w %) $(C_SRCS) $(C_SRCS16)
-
-$(SUBDIRS:%=%/__doc_html__): dummy
-	cd `dirname $@` && $(MAKE) doc-html
-
-doc-html: $(C_SRCS) $(SUBDIRS:%=%/__doc_html__)
-	$(MKINSTALLDIRS) $(TOPOBJDIR)/documentation/html && $(C2MAN) -o $(TOPOBJDIR)/documentation/html -R$(TOPOBJDIR) $(DIVINCL) -Th $(MAINSPEC:%=-w %) $(SPEC_SRCS:%=-w %) $(C_SRCS) $(C_SRCS16)
-
-$(SUBDIRS:%=%/__doc_sgml__): dummy
-	cd `dirname $@` && $(MAKE) doc-sgml
-
-doc-sgml: $(C_SRCS) $(SUBDIRS:%=%/__doc_sgml__)
-	$(MKINSTALLDIRS) $(TOPOBJDIR)/documentation/api-guide && $(C2MAN) -o $(TOPOBJDIR)/documentation/api-guide -R$(TOPOBJDIR) $(DIVINCL) -Ts $(MAINSPEC:%=-w %) $(SPEC_SRCS:%=-w %) $(C_SRCS) $(C_SRCS16)
-
-.PHONY: man doc-html doc-sgml $(SUBDIRS:%=%/__man__) $(SUBDIRS:%=%/__doc_html__) $(SUBDIRS:%=%/__doc_sgml__)
-
 # Rule for linting
 
 $(MODULE).ln : $(LINTS)
@@ -274,8 +251,6 @@
 
 # Misc. rules
 
-$(SPEC_SRCS:.spec=.spec.c): $(WINEBUILD)
-
 $(RC_SRCS:.rc=.res): $(WRC)
 
 $(RC_SRCS16:.rc=.res): $(WRC)