updated for version 7.3.637

Problem:    Cannot catch the error caused by a foldopen when there is no fold.
            (ZyX, Issue 48)
Solution:   Do not break out of the loop early when inside try/catch.
            (Christian Brabandt) Except when there is a syntax error.

src/version.c

@@ -719,6 +719,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    637,
 /**/
     636,
 /**/