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)

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    18,
 /**/
     17,
 /**/