patch 8.2.3972: error messages are spread out

Problem:    Error messages are spread out.
Solution:   Move the last errors from globals.h to errors.h.
diff --git a/src/ex_eval.c b/src/ex_eval.c
index 4f4a0a6..9a47802 100644
--- a/src/ex_eval.c
+++ b/src/ex_eval.c
@@ -1316,7 +1316,7 @@
     cstack_T	*cstack = eap->cstack;
 
     if (cstack->cs_looplevel <= 0 || cstack->cs_idx < 0)
-	eap->errmsg = _(e_continue);
+	eap->errmsg = _(e_continue_without_while_or_for);
     else
     {
 	// Try to find the matching ":while".  This might stop at a try
@@ -1354,7 +1354,7 @@
     cstack_T	*cstack = eap->cstack;
 
     if (cstack->cs_looplevel <= 0 || cstack->cs_idx < 0)
-	eap->errmsg = _(e_break);
+	eap->errmsg = _(e_break_without_while_or_for);
     else
     {
 	// Inactivate conditionals until the matching ":while" or a try