tools/wine.inf: Register msisip.dll.

tools/wine.inf.in

diff --git a/tools/wine.inf.in b/tools/wine.inf.in
index 0d116df..4d10778 100644
--- a/tools/wine.inf.in
+++ b/tools/wine.inf.in
@@ -2213,6 +2213,7 @@
 11,,msi.dll,1
 11,,msiexec.exe,1
 11,,msimtf.dll,1
+11,,msisip.dll,1
 11,,mstask.dll,1
 11,,msxml3.dll,1
 11,,objsel.dll,1