updated for version 7.0055
diff --git a/src/proto/eval.pro b/src/proto/eval.pro
index 2a6f12e..023f422 100644
--- a/src/proto/eval.pro
+++ b/src/proto/eval.pro
@@ -43,6 +43,7 @@
char_u *get_expr_name __ARGS((expand_T *xp, int idx));
void set_vim_var_nr __ARGS((int idx, long val));
long get_vim_var_nr __ARGS((int idx));
+char_u *get_vim_var_str __ARGS((int idx));
void set_vcount __ARGS((long count, long count1));
void set_vim_var_string __ARGS((int idx, char_u *val, int len));
void set_reg_var __ARGS((int c));