patch 7.4.2192
Problem:    Generating prototypes with Cygwin doesn't work well.
Solution:   Change #ifdefs. (Ken Takata)
diff --git a/src/proto/normal.pro b/src/proto/normal.pro
index 52c7ca5..55d12bb 100644
--- a/src/proto/normal.pro
+++ b/src/proto/normal.pro
@@ -16,7 +16,7 @@
 void pop_showcmd(void);
 void do_check_scrollbind(int check);
 void check_scrollbind(linenr_T topline_diff, long leftcol_diff);
-int find_decl(char_u *ptr, int len, int locally, int thisblock, int searchflags);
+int find_decl(char_u *ptr, int len, int locally, int thisblock, int flags_arg);
 void scroll_redraw(int up, long count);
 void handle_tabmenu(void);
 void do_nv_ident(int c1, int c2);