patch 8.2.0034: missing check for out of memory

Problem:    Missing check for out of memory.
Solution:   Check for NULL after vim_strsave(). (Dominique Pelle,
            closes #5393)

src/version.c

@@ -742,6 +742,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    34,
 /**/
     33,
 /**/