fix indentation of a label

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1536 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

files.c

@@ -2949,7 +2949,7 @@ void save_history(void)
 		    goto come_from;
 		}
 	    }
-come_from:
+  come_from:
 	    fclose(hist);
 	}
 	free(nanohist);