msi/tests: Fix a few handle leaks.

This was pointed out by Christoph von Wittich.

dlls/msi/tests/install.c

@@ -1365,6 +1365,7 @@ static void get_user_sid(LPSTR *usersid)
     GetTokenInformation(token, TokenUser, buf, size, &size);
     user = (PTOKEN_USER)buf;
     pConvertSidToStringSidA(user->User.Sid, usersid);
+    CloseHandle(token);
 }
 
 static BOOL check_record(MSIHANDLE rec, UINT field, LPCSTR val)

dlls/msi/tests/msi.c

@@ -525,6 +525,7 @@ static void get_user_sid(LPSTR *usersid)
     GetTokenInformation(token, TokenUser, buf, size, &size);
     user = (PTOKEN_USER)buf;
     pConvertSidToStringSidA(user->User.Sid, usersid);
+    CloseHandle(token);
 }
 
 static void test_MsiQueryProductState(void)

dlls/msi/tests/package.c

@@ -51,6 +51,7 @@ static void get_user_sid(LPSTR *usersid)
     GetTokenInformation(token, TokenUser, buf, size, &size);
     user = (PTOKEN_USER)buf;
     pConvertSidToStringSidA(user->User.Sid, usersid);
+    CloseHandle(token);
 }
 
 /* RegDeleteTreeW from dlls/advapi32/registry.c */

dlls/msi/tests/source.c

@@ -139,6 +139,7 @@ static int get_user_sid(LPSTR *usersid)
     GetTokenInformation(token, TokenUser, buf, size, &size);
     user = (PTOKEN_USER)buf;
     pConvertSidToStringSidA(user->User.Sid, usersid);
+    CloseHandle(token);
     return 1;
 }