Repair more now-obsolete references to config.h.
diff --git a/PCbuild/python.iss b/PCbuild/python.iss
index 84e2cf2..80b43c7 100644
--- a/PCbuild/python.iss
+++ b/PCbuild/python.iss
@@ -172,7 +172,7 @@
 Source: Lib\lib-old\*.py;  DestDir: "{app}\Lib\lib-old"; CopyMode: alwaysoverwrite; Components: main
 Source: Lib\site-packages\README; DestDir: "{app}\Lib\site-packages"; DestName: README.txt; CopyMode: alwaysoverwrite; Components: main
 Source: Include\*.h; DestDir: "{app}\include"; CopyMode: alwaysoverwrite; Components: main
-Source: PC\config.h; DestDir: "{app}\include"; CopyMode: alwaysoverwrite; Components: main
+Source: PC\pyconfig.h; DestDir: "{app}\include"; CopyMode: alwaysoverwrite; Components: main
 
 Source: Tools\scripts\*.py;  DestDir: "{app}\Tools\Scripts";  CopyMode: alwaysoverwrite; Components: tools
 Source: Tools\scripts\*.pyw; DestDir: "{app}\Tools\Scripts";  CopyMode: alwaysoverwrite; Components: tools