updated for version 7.3.614
Problem: Number argument gets turned into a number while it should be a
string.
Solution: Add flag to the call_vim_function() call. (Yasuhiro Matsumoto)
diff --git a/src/proto/eval.pro b/src/proto/eval.pro
index 63c140c..a102598 100644
--- a/src/proto/eval.pro
+++ b/src/proto/eval.pro
@@ -23,7 +23,7 @@
list_T *eval_spell_expr __ARGS((char_u *badword, char_u *expr));
int get_spellword __ARGS((list_T *list, char_u **pp));
typval_T *eval_expr __ARGS((char_u *arg, char_u **nextcmd));
-int call_vim_function __ARGS((char_u *func, int argc, char_u **argv, int safe, typval_T *rettv));
+int call_vim_function __ARGS((char_u *func, int argc, char_u **argv, int safe, int str_arg_only, typval_T *rettv));
void *call_func_retstr __ARGS((char_u *func, int argc, char_u **argv, int safe));
long call_func_retnr __ARGS((char_u *func, int argc, char_u **argv, int safe));
void *call_func_retlist __ARGS((char_u *func, int argc, char_u **argv, int safe));