correct case in python16.dsp to allow build with VS6
diff --git a/PCbuild/python16.dsp b/PCbuild/python16.dsp
index e7e3b5a..4c75302 100644
--- a/PCbuild/python16.dsp
+++ b/PCbuild/python16.dsp
@@ -540,15 +540,15 @@
# End Source File
# Begin Source File
-SOURCE=..\python\exceptions.c
+SOURCE=..\Python\exceptions.c
-!IF "$(cfg)" == "python16 - Win32 Release"
+!IF "$(CFG)" == "python16 - Win32 Release"
-!ELSEIF "$(cfg)" == "python16 - Win32 Debug"
+!ELSEIF "$(CFG)" == "python16 - Win32 Debug"
-!ELSEIF "$(cfg)" == "python16 - Win32 Alpha Debug"
+!ELSEIF "$(CFG)" == "python16 - Win32 Alpha Debug"
-!ELSEIF "$(cfg)" == "python16 - Win32 Alpha Release"
+!ELSEIF "$(CFG)" == "python16 - Win32 Alpha Release"
!ENDIF