patch 8.2.0626: Vim9: wrong syntax of function in Vim9 script

Problem:    Vim9: wrong syntax of function in Vim9 script.
Solution:   Give error for missing space. Implement :echomsg and :echoerr.
            (closes #5670)
diff --git a/src/globals.h b/src/globals.h
index f6c9d60..725493b 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -1750,6 +1750,10 @@
 EXTERN char e_continue[]	INIT(= N_("E586: :continue without :while or :for"));
 EXTERN char e_break[]		INIT(= N_("E587: :break without :while or :for"));
 EXTERN char e_nowhitespace[]	INIT(= N_("E274: No white space allowed before parenthesis"));
+EXTERN char e_white_both[]	INIT(= N_("E1004: white space required before and after '%s'"));
+EXTERN char e_white_after[]	INIT(= N_("E1069: white space required after '%s'"));
+EXTERN char e_no_white_before[] INIT(= N_("E1068: No white space allowed before '%s'"));
+
 EXTERN char e_lock_unlock[]	INIT(= N_("E940: Cannot lock or unlock variable %s"));
 #endif
 
@@ -1819,6 +1823,8 @@
 #ifdef FEAT_EVAL
 EXTERN time_T time_for_testing INIT(= 0);
 
+EXTERN int echo_attr INIT(= 0);   // attributes used for ":echo"
+
 // Abort conversion to string after a recursion error.
 EXTERN int  did_echo_string_emsg INIT(= FALSE);