patch 8.1.0343: 'shellslash' is not used for getcwd() with local directory

Problem:    'shellslash' is not used for getcwd() with local directory.
            (Daniel Hahler)
Solution:   Call slash_adjust() later. (closes #3399)

src/version.c

@@ -794,6 +794,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    343,
 /**/
     342,
 /**/