fix m4 error when useecs and nultrans are true; resolves #1816878

diff --git a/gen.c b/gen.c
index 8d24a86bde9cd296a4274e6c0ac06ac73a3dae87..8261951c065ec2c89ff5b72479876ecbe6449854 100644 (file)
--- a/gen.c
+++ b/gen.c
@@ -874,7 +874,7 @@ void gen_next_state (worry_about_NULs)
 
        else
                strcpy (char_map, useecs ?
-                       "yy_ec[YY_SC_TO_UI(*yy_cp)]" :
+                       "yy_ec[YY_SC_TO_UI(*yy_cp)] " :
                        "YY_SC_TO_UI(*yy_cp)");
 
        if (worry_about_NULs && nultrans) {