Fix PYTHONPATH in the adder example on windows
The path contained windows path separators, semicolon rather than colon.
Also switched to not use `WPWD`, which is how the rest of the `PYTHONPATH` is constructed.
Fixes
@@ -33,12 +33,12 @@ PWD=$(shell pwd)
ifeq ($(OS),Msys)
WPWD=$(shell sh -c 'pwd -W')
-PYTHONPATH := $(WPWD)/../model;$(PYTHONPATH)
else
WPWD=$(shell pwd)
-PYTHONPATH := $(WPWD)/../model:$(PYTHONPATH)
endif
+PYTHONPATH := $(PWD)/../model:$(PYTHONPATH)
+
ifeq ($(TOPLEVEL_LANG),verilog)
VERILOG_SOURCES = $(WPWD)/../hdl/adder.v
else ifeq ($(TOPLEVEL_LANG),vhdl)
