updated for version 7.3.018
Problem:    Missing argument to windres in MingW makefiles.
Solution:   Add the argument that was wrapped in the patch. (Jon Maken)
diff --git a/src/version.c b/src/version.c
index d04419c..2154b3c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    18,
+/**/
     17,
 /**/
     16,