patch 7.4.1832

Problem:    Memory leak in debug commands.
Solution:   Free memory before overwriting the pointer. (hint by Justin Keyes)

src/version.c

@@ -753,6 +753,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1832,
 /**/
     1831,
 /**/