Teach MSVC 6 about pystrtod.c.
diff --git a/PC/VC6/pythoncore.dsp b/PC/VC6/pythoncore.dsp
index 84737e8..df8ae29 100644
--- a/PC/VC6/pythoncore.dsp
+++ b/PC/VC6/pythoncore.dsp
@@ -567,6 +567,10 @@
 # End Source File

 # Begin Source File

 

+SOURCE=..\..\Python\pystrtod.c

+# End Source File

+# Begin Source File

+

 SOURCE=..\python_nt.rc

 # End Source File

 # Begin Source File