patch 7.4.1973
Problem:    On MS-Windows the package directory may be added at the end
            because of forward/backward slash differences. (Matthew
            Desjardins)
Solution:   Ignore slash differences.
diff --git a/src/version.c b/src/version.c
index 2c6d8c4..1e8e635 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1973,
+/**/
     1972,
 /**/
     1971,