updated for version 7.4.010

Problem:    Crash with invalid argument to mkdir().
Solution:   Check for empty string. (lcd47)

src/version.c

@@ -727,6 +727,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    10,
 /**/
     9,
 /**/