patch 9.0.1133: error message names do not match the items

Problem:    Error message names do not match the items.
Solution:   Add "_str" when the text contains "%s".
diff --git a/src/textprop.c b/src/textprop.c
index a9778b5..241c4ae 100644
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -98,7 +98,7 @@
     if (type == NULL)
 	type = find_prop_type(name, NULL);
     if (type == NULL)
-	semsg(_(e_type_not_exist), name);
+	semsg(_(e_property_type_str_does_not_exist), name);
     return type;
 }
 
@@ -1825,7 +1825,7 @@
     {
 	if (prop == NULL)
 	{
-	    semsg(_(e_type_not_exist), name);
+	    semsg(_(e_property_type_str_does_not_exist), name);
 	    return;
 	}
     }