Allow multiple shells to be enabled.
diff --git a/lash.c b/lash.c
index 8f86095..0af6691 100644
--- a/lash.c
+++ b/lash.c
@@ -1545,7 +1545,7 @@
 	tcsetpgrp(shell_terminal, shell_pgrp);
 }
 
-int shell_main(int argc_l, char **argv_l)
+int lash_main(int argc_l, char **argv_l)
 {
 	int opt, interactive=FALSE;
 	FILE *input = stdin;