patch 8.0.0012

Problem:    Typos in comments.
Solution:   Change "its" to "it's". (Matthew Brener, closes #1088)

src/version.c

@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    12,
 /**/
     11,
 /**/