updated for version 7.2.337

Problem:    The :compiler command doesn't function properly when invoked in a
            function.
Solution:   Add "g:" before "current_compiler". (Yukihiro Nakadaira)

src/version.c

@@ -681,6 +681,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    337,
 /**/
     336,
 /**/