Move MSVC clean out of core makefile and into windows.mak where it belongs.

makefile

@@ -509,7 +509,7 @@ tools: maketree $(TOOLS)
 
 maketree: $(sort $(OBJDIRS))
 
-clean:
+clean: $(OSDCLEAN)
 	@echo Deleting object tree $(OBJ)...
 	$(RM) -r $(OBJ)
 	@echo Deleting $(EMULATOR)...
@@ -520,12 +520,6 @@ ifdef MAP
 	@echo Deleting $(FULLNAME).map...
 	$(RM) $(FULLNAME).map
 endif
-ifdef MSVC_BUILD
-	@echo Deleting Visual Studio specific files...
-	$(RM) *.pdb
-	$(RM) *.lib
-	$(RM) *.exp
-endif
 
 
 

src/osd/windows/windows.mak

@@ -157,6 +157,14 @@ $(WINOBJ)/vconv.o: $(WINSRC)/vconv.c
 	@echo Compiling $<...
 	@cl.exe /nologo /O1 -D_CRT_SECURE_NO_DEPRECATE -c $< /Fo$@
 
+OSDCLEAN = msvcclean
+
+msvcclean:
+	@echo Deleting Visual Studio specific files...
+	$(RM) *.pdb
+	$(RM) *.lib
+	$(RM) *.exp
+
 endif
 endif